Updated the WSP as was not working with some site collections based on certain site templates missing Site collection features.
Updated the WSP as was not working with some site collections based on certain site templates missing Site collection features.

OfficeDev/SP-AngularJS-ExpenseManager-Code-Sample,rajendra1809/SP-AngularJS-ExpenseManager-Code-Sample,rajendra1809/SP-AngularJS-ExpenseManager-Code-Sample,OfficeDev/SP-AngularJS-ExpenseManager-Code-Sample,OfficeDev/SP-AngularJS-ExpenseManager-Code-Sample,rajendra1809/SP-AngularJS-ExpenseManager-Code-Sample