Merge Irit Speech Entropy from Dev into diadems
update doc
Apply Piem's patch to disable rdt theme for the doc. But the special nice theme remains in the doc branch..
goto 0.5.7
Update server/models to new API
Merge branch 'dev' of github.com:yomguy/TimeSide into dev
Add a background image option for rendering analyzers
Merge branch 'diadems' of github.com:yomguy/TimeSide into diadems
Add a background image option for rendering analyzers

Conflicts:
	timeside/grapher/render_analyzers.py
Fix import in limsi_diarization
Add Irit Monopoly to dev
Add message when import error occurs during TimeSide init
Refactor : In Irit Monopoly, Implement aubio_pitch as a parent analyzer

This also fixes NaN issue in Irit Monopoly
fix(irit_monoply): explicit import of AubioPitch in preamble

This prevent from import error in system where aubio is not installed. Thus Irit_monopoly will not be available. either.
Merge dev branch into diadems