lang_dropdown 7.x-2.0

Changes since 7.x-1.5:

• by manfer: unnecessary code removed.
• by manfer: ddslick library integration.
• by manfer: reviewed marghoob suleman library code.
• by manfer: rearrange configuration options arrays.
• by manfer: minor changes on language icons integration code.
• by manfer: minor changes to chosen integration code.
• by manfer: Marghoob Suleman library to libraries.
• by manfer: hook uninstall reviewed.
• by manfer: chosen library output added.
• by manfer: fix minor bug on prev commit.
• Issue #2068995 by manfer: new option always redirect to home.
• by manfer: rearrange block configuration form.
• by manfer: blue skin added.
• by manfer: enhanced skins code.
• by manfer: new skins.
• by manfer: fix scroll appears on default skin.
• by manfer: each block its own configuration options.
• by manfer: fixed rounded corner option.
• by manfer: more skins.
• Issue #1957096 by manfer: upgrade msdropdown to 3.5.2 version.
• by manfer: enhance detection of active language
• Issue #2007612 by dman: hide if no translations available.
• Issue #2105601 by rfay: more options for number of visible rows.
• by manfer: enhanced info file.
• by manfer: Added hook_help.
• by manfer: removed patch file.
• Issue #1508030 by Drupality, manfer: Fixed lack of error handling.