Release version 0.4.0

Release version 0.4.0

* Removed unnecessary coregl dependency
* Fixed problem of UI hanging on elm_language_set()
* Removed unused agent code
* Minor fixes for UI layout & code
* Optimization of check API (using AUL data in client, using new privacy-checker API)
* Added caching of AppInfo/PkgInfo data in client
* Return ALLOW for non privacy privileges
* Fixes for identifying application id

This release changes numbering to differentiate older branches of code.

This branch will continue to use 0.4.X numbering while older versions
will contininue to use 0.3.X numbering (for bugfixes/maintenance).

Change-Id: Ia9d9fe97ddb286c6c6253110647ff12bd6a7351a