fixed internal matrix solver test
updated qcustomplot
added magnetic axisymmetric nonlin test
Merge remote-tracking branch 'kus/master'
improved log dialog
fixed magnetic test
minor fix in mainwindow
added opengl debugger (min. Qt 5.1)
Qt4 and Qt5.0 fix
lock_data() not needed (pthreads disabled)
fixed znear and zfar zero clipping
fixed opengl errors and warnings (mipmap)
disabled opengl debug log
fix in example - colorbar font size
improved log dialog (added more progress bars)
fix in speaker example (disabled contour)
version 3.1 -> 3.2
minor fixes
code polishing
log code polishing