Don't create an application model for invalid bundle

* Return invalid model object if there isn't any valid bundle at the URL;
* Verify generated model before adding to the applications list;
* This also fixes a rare crash related to invalid bundleID and NSRunningApplication API;
Merge branch 'model-verification' into develop
Code cleanup
Add Dock menu

Included items:
1) Set new location: open Locatr window and activate the location
popover;
2) Restore original location: restore original location and disable
injection for all applications;
Code cleanup
Fix a bug when a disabled injection could not be activated again
Merge branch 'dock-menu' into develop

Implement a Dock menu with a few handy items
Add basic feedback actions to Help menu

* Report an issue;
* Send suggestion;
* Open Locatr website;
Move app delegate files into a separate group
Include a build number into a feedback email
Merge branch 'user-feedback' into develop

Include some basic feedback abilities into Help menu
Fix #9
Update Credits.rtf

Add my twitter handle and separate Acknowledgements section.
Application titles in the list are now localized
Merge branch 'localized-app-names' into develop

Application titles in the list are now localized;
Fix #1
Bump version to 0.1.5 (18)
Merge branch 'release-0.1.5'

NEW: handy Dock menu items (#10)
NEW: feedback menu items (#9)
IMPROVED: updated About info (#4)
FIXED: application names in the list are now localized (#1)