Bugfix: cleaned up unnecessary spaces

- Bugfix: cleaned up unnecessary spaces, replaced tabs with spaces and
  fixed line terminators
  [alecghica]
Bugfix: cleaned up unnecessary spaces

- Bugfix: cleaned up unnecessary spaces, replaced tabs with spaces and
  fixed line terminators
  [alecghica]
Feature: display error image when unable to bind

- Feature: added error image and 'Unable to communicate with chat server' message
  when unable to bind the user to jabber server
  [alecghica]
Merge pull request #19 from alecghica/master

Cleanup code + show error when unable to bind