Closes GH-275 FreeseerServer cannot be terminated via ctrl+c in terminal

- Adds signal to server startup script which enables ctrl+c
Move license to top level directory
GH-277 Database version upgrade added
Merge pull request #288 from aaron-bru/277-databse-updater

Close GH-277 Add database version upgrade
Fix for the rtmp-streaming plugin, encoder changed
Audio codec settings for rtmp streaming plugin
RTMP: modify UI to support presets in streaming

All the UI pieces necessary for supporting presets
for specific RTMP output destinations (such as justin.tv)
are now in place.
saving presets
justin.tv setup
justin.tv integration; basic presets done and working
Merge remote-tracking branch 'remotes/kait/justin' into justin

Conflicts:
	src/freeseer/plugins/output/rtmp-streaming/rtmp-streaming.py