use new pipeline mechanism in MeppQt4Controller
cleaning
update for future interface
update travis - fix Linux error
Merge branch 'master' of https://github.com/vvidal/Gharial
viewer update
update viewer and add Gl drawing for OpenMesh
update viewer and add Gl drawing for OpenMesh (fix for Linux)
Merge pull request #60 from mtola/master

Update viewer, update GL drawing for CGAL. Add GL drawing for OpenMesh
viewer update
improve viewer test
loading mesh now functional - todo: connect interface buttons
Merge pull request #61 from mtola/master

update viewer - loading mesh now functional - todo: connect interface buttons for visualization options
add acceleratedGL_Mode
Merge branch 'master' of https://github.com/MEPP-team/Gharial
minimum of buttons connected