Fixed #2151315: Removed files from .info because they don't contain classes or interfaces.
Fixed isseu #1814428: Removed block dependency.
Updated version to 300.
Fixes issue #1734752 by matglas86, Cottser: Basic Button display always uses HTTP to include the image (insecure content on HTTPS page).
Fixed issue #2164647 by matglas86: Test failed on clickback tracking.
Fixed public functions that needed to be static.
Fixed issue #1524720 by matglas86, Matthew Davidson, tim.plunket, ea: Unnecessary load of AddThis libraries on every page, even in admin pages
Fixed issue #1919156 by matglas86, walangitan, leon.nk, khalib, derek.deraps, et al: Addthis analytics not working
Changes by matglas86: Some code style changes.
Changed label text on compact menu enable services.
Small changes to comply with coding standards.
Fixed ajax and submit handling.