Minor doc fixes
Anecdotic doc change, see http://www.mail-archive.com/yade-dev@lists.launchpad.net/msg10972.html
added Elias2014 article to yade-articles.bib
fix save/load QGL camera state via text files
Documentation. Define sign convention globaly in TriaxialStressController docstring, not repeated in attributes documentation
Add of O.thisScene() function to know in which scene we are
Add of sphSph parameter in plotDirections() to take into account only sph-sph interactions in polar histograms. Seems it does not modify really the plots, but it is easier to figure out with the parameter
Reintroduce  floating_point_utilities_v3.
Add missing files from last commit.
TSC engine: internal compaction now may consider isotropic tensile cases. See http://www.mail-archive.com/yade-dev@lists.launchpad.net/msg11047.html
add attrs parameter to export.textPolyhedra
Removal of parallel loops in capillary Law2: needs maybe more verification, and improvements for fusion detection
Add LiqMigrEnabled parameter.

Needed to enable/disable LiqMigr model, if LiqMigr feature is on.
Helps to escape memory leakage without LiqControl.
Typo in the doc (missing space)
add some references in yade-conference.bib
Switch a private argument to public in HydroforceEngine.

This concern the fluid velocity fluctuations associated to particles, in order to access it from python during the simulation.
bib reference of 1st workshop
fix mistakes in conferences.bib
Preparing for merge with upstream
Debugging SpatialQuickSortCollider