update pom
- some small modifs in LimaDet
- some modifs in Pco device : WIP
Merge remote branch 'origin/master'

* origin/master:
  - Add dev_state() in init_device - Add waitFileOnDiskTime attribute in MarCCD Device

Conflicts:
	LimaDetector/src/LimaDetector.cpp
	LimaDetector/src/LimaDetector.h