updated to use command instead of shell

tasks/main.yml

diff --git a/tasks/main.yml b/tasks/main.yml
index 23299aa..e5e39e5 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -27,19 +27,19 @@
     when: not bootstrap_exists.stat.exists
 
   - name: Yum clean all
-    shell: "yum clean all"
+    command: "yum clean all"
 
   - block:
     - name: Update apigee-service if upgrade_edge is set as part of an upgrade
       no_log: True
-      shell: "bash {{ bootstrap_script }} apigeeuser={{ apigee_repo_user }} apigeepassword='{{ apigee_repo_password }}' JAVA_FIX=C"
+      command: "bash {{ bootstrap_script }} apigeeuser={{ apigee_repo_user }} apigeepassword='{{ apigee_repo_password }}' JAVA_FIX=C"
       env:
         JAVA_HOME: '{{ java_home }}'
       when: upgrade_edge is defined and upgrade_edge | bool == True
 
     - name: Install bootstrap from the provided apigee_repo_uri and apigee_repo_protocol
       no_log: True
-      shell: 'bash {{ bootstrap_script }} apigeeuser={{ apigee_repo_user }} apigeepassword={{ apigee_repo_password }} apigeerepohost={{ apigee_repo_uri }} apigeeprotocol={{ apigee_repo_protocol }}:// JAVA_FIX=C'
+      command: 'bash {{ bootstrap_script }} apigeeuser={{ apigee_repo_user }} apigeepassword={{ apigee_repo_password }} apigeerepohost={{ apigee_repo_uri }} apigeeprotocol={{ apigee_repo_protocol }}:// JAVA_FIX=C'
       args:
         creates: '{{ apigee_installation_home }}/apigee-service/bin/apigee-service'
       env:
@@ -49,7 +49,7 @@
 
     - name: Install bootstrap from development repositories
       no_log: True
-      shell: 'bash {{ bootstrap_script }} apigeeuser={{ apigee_repo_user }} apigeepassword={{ apigee_repo_password }} apigeestage={{ apigee_stage }} apigeerepohost={{ apigee_repo_uri }} apigeeprotocol={{ apigee_repo_protocol }}:// JAVA_FIX=C'
+      command: 'bash {{ bootstrap_script }} apigeeuser={{ apigee_repo_user }} apigeepassword={{ apigee_repo_password }} apigeestage={{ apigee_stage }} apigeerepohost={{ apigee_repo_uri }} apigeeprotocol={{ apigee_repo_protocol }}:// JAVA_FIX=C'
       args:
         creates: '{{ apigee_installation_home }}/apigee-service/bin/apigee-service'
       env:
@@ -59,18 +59,18 @@
 
     rescue:
       - name: Yum failed to update, let's clean yum
-        shell: 'yum clean all'
+        command: 'yum clean all'
 
       - name: Update apigee-service if upgrade_edge is set as part of an upgrade
         no_log: True
-        shell: "bash {{ bootstrap_script }} apigeeuser={{ apigee_repo_user }} apigeepassword='{{ apigee_repo_password }}' JAVA_FIX=C"
+        command: "bash {{ bootstrap_script }} apigeeuser={{ apigee_repo_user }} apigeepassword='{{ apigee_repo_password }}' JAVA_FIX=C"
         env:
           JAVA_HOME: '{{ java_home }}'
         when: upgrade_edge is defined and upgrade_edge | bool == True
 
       - name: Install bootstrap from the provided apigee_repo_uri and apigee_repo_protocol
         no_log: True
-        shell: 'bash {{ bootstrap_script }} apigeeuser={{ apigee_repo_user }} apigeepassword={{ apigee_repo_password }} apigeerepohost={{ apigee_repo_uri }} apigeeprotocol={{ apigee_repo_protocol }}:// JAVA_FIX=C'
+        command: 'bash {{ bootstrap_script }} apigeeuser={{ apigee_repo_user }} apigeepassword={{ apigee_repo_password }} apigeerepohost={{ apigee_repo_uri }} apigeeprotocol={{ apigee_repo_protocol }}:// JAVA_FIX=C'
         args:
           creates: '{{ apigee_installation_home }}/apigee-service/bin/apigee-service'
         env:
@@ -80,7 +80,7 @@
 
       - name: Install bootstrap from development repositories
         no_log: True
-        shell: 'bash {{ bootstrap_script }} apigeeuser={{ apigee_repo_user }} apigeepassword={{ apigee_repo_password }} apigeestage={{ apigee_stage }} apigeerepohost={{ apigee_repo_uri }} apigeeprotocol={{ apigee_repo_protocol }}:// JAVA_FIX=C'
+        command: 'bash {{ bootstrap_script }} apigeeuser={{ apigee_repo_user }} apigeepassword={{ apigee_repo_password }} apigeestage={{ apigee_stage }} apigeerepohost={{ apigee_repo_uri }} apigeeprotocol={{ apigee_repo_protocol }}:// JAVA_FIX=C'
         args:
           creates: '{{ apigee_installation_home }}/apigee-service/bin/apigee-service'
         env:
@@ -93,14 +93,14 @@
 - block:
   - name: Install bootstrap from local repository for 4.16.01
     no_log: True
-    shell: "bash {{ archive_folder }}/repos/bootstrap.sh apigeeprotocol='file://' apigeerepobasepath={{ archive_folder }}/repos JAVA_FIX=C"
+    command: "bash {{ archive_folder }}/repos/bootstrap.sh apigeeprotocol='file://' apigeerepobasepath={{ archive_folder }}/repos JAVA_FIX=C"
     env:
       JAVA_HOME: '{{ java_home }}'
     when: opdk_version | version_compare('4.16.01', '==')
 
   - name: Install bootstrap from local repository for greater than 4.16.01
     no_log: True
-    shell: "bash {{ archive_folder }}/repos/bootstrap_{{ opdk_version }}.sh apigeeprotocol='file://' apigeerepobasepath={{ archive_folder }}/repos JAVA_FIX=C"
+    command: "bash {{ archive_folder }}/repos/bootstrap_{{ opdk_version }}.sh apigeeprotocol='file://' apigeerepobasepath={{ archive_folder }}/repos JAVA_FIX=C"
     env:
       JAVA_HOME: '{{ java_home }}'
     when: opdk_version | version_compare('4.16.01', '>')