changed permission reason to be more elaborate and rational https://trello.com/c/eFmbXFAy

Author: bolaware

raveandroid/src/main/res/values/strings.xml

@@ -4,7 +4,7 @@
 
     <!-- TODO: Remove or change this placeholder text -->
     <string name="hello_blank_fragment">Hello blank fragment</string>
-    <string name="permissions_are_required_to_complete_payment">Rave Pay requires READ PHONE STATE permissions to work</string>
+    <string name="permissions_are_required_to_complete_payment">Rave Pay needs phone access in order to uniquely identify the devices associated with your account and ensure that unauthorized devices are not able to act on your behalf. Ravepay will never use or store your phone number or call history. </string>
     <string name="grant_permission">Grant permission</string>
     <string name="permission_required_image">permission_required_image</string>
     <string name="title_activity_entry">EntryActivity</string>