CRM_Core_Resources - Fix PhpStorm warnings
CRM-14479 - hook_angularModules - Allow specifying multiple *.js files for one module
CRM-14481 - crmCaseType - First pass at Angular-based case-type screen (view-only)
CRM-14481 - crmCaseType - Use tabs and accordions from jQuery UI
CRM-14481, CRM-14479 - Load CSS for Angular modules
CRM-14480 - Allow creation/deletion of activity sets
CRM-14479 - Load minified angular.js by default

Note: CRM_Core_Resources changes ".min.js" to ".js" if debugging is enabled.
CRM-14480 - crmCaseType - Prettier URL construction
Merge pull request #2920 from totten/master-casetype-ang

CRM-14479, CRM-14480 - First pass at "Edit Case Type" screen