Feature: added "Connecting to chat ..." info

- Bugfix: updated HISTORY.txt format remained unchanged after last egg release
  [alecghica]
- Feature: added spining image and "Connecting to chat ..." info under chat panel
  when the user is not (yet) binded to the jabber server
  [alecghica]
Bump up submodule and some cleanup
Updated documentation regarding submodule

Updating documentation on how to develop/contribute with the submodule.
Bump up submodule
Bugfix: cleaned up unnecessary spaces

- Bugfix: cleaned up unnecessary spaces, replaced tabs with spaces and
  fixed line terminators
  [alecghica]
Merge pull request #9 from alecghica/master

Feature: added "Connecting to chat ..." info