finish first impl of key store import with QR scanning
cleanup welcome screen
remove many unnecessary "finish()" calls
add latest android support lib
updating project path
add new library
multiple user interface improvements and some XMPP
- removed unused smily emoticon system
- added support for vcards and avatar graphics
- added new chat list sidebar
- added support for missing Smack xep providers
added new sliding menu lib
new shadow for sliding menu