Related to issue #68
work on making the GUI optionnal in pyFAI integrate
Merge branch 'master', remote branch 'origin'
Update pyFAI-saxs

the loop will actually handle more than one input file, but not less than one.
compatibility with Canopy
Should fix issue #76:

Use the mask to define 2th_min and 2th_max both with with the look-up
table and without.

TODO: perform the same for the azimuthal angle
Related to issue #76
perform selection of the range also for 2D regrouping
Merge pull request #74 from dodogerstlin/patch-2

Update pyFAI-saxs
The Worker is a common model (as in MVC) for various application like
a GUI or plugins
Typo in calibration ->backported
work on new LIMA plugin
Typo in calibration ->backported
Merge branch 'master' into devel
Add the Titan detector from Agilent
make worker part of the distribution
Demo of Lima+pyFAI+pyqtgraph
This kind of works ...
minor modification
Was fixed for Saxs but not Waxs
Better 2D boundaries for integration