Merge pull request #18 from Jagadees-zyxware/master

Fixed miscellaneous issues.
Merge pull request #19 from Jagadees-zyxware/master

31452 change module name to com.zyxware.civiwci
Merge ../civicrm-wci-jag
Add clarification to Changelog
Merge pull request #20 from Jagadees-zyxware/master

Code cleanup
Fix widget preview and embed codes.
Handle the case where there is no embed code id in the embed code
added permissions and menu cleanup