Add historic of record.
A record contain a time, media_name and path.
Qt: add record history.
Fix missing state in media_streaming. Minor fix in others files.
Move publisher in controller package from core.
Configuration: Fix conf name firewire.
change error type to warning in start_record.
Update commit pydc1394
Simplify param.py
Implement param None, can use like a trigger
QT: fix combobox string
- Sort string, because the index changed randomly.
Firewire: update with threading camera pydc194
1. add param transmission, power
2. (clean) Move code.
3. Fix memory leak when camera close.
4. Protect when close camera (one call at moment)
Update third-party dependancy of pydc1394.
Add guide for ubuntu 14.04
Update install for pyzmq new dependance.
Merge remote-tracking branch 'upstream/dev' into dev

Conflicts:
	SeaGoatVision/server/media/implementation/firewire.py