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 issue #1694868 by matglas86, ckrina, mogtofu33: Block only uses defaults from Display type Toolbox.

Now allows the configuration of block display with the same settings form as the fields.
Changes made by matglas86 to widget js url construction.
Updated change log.
Merge branch '7.x-4.x' into feature/preset_settings