GL: Add showGrid
Merge remote-tracking branch 'upstream/master'
GL: Add small ticks for log scale and grid
setZoomModeEnabled supports color
Merge remote-tracking branch 'upstream/master'
GL: rename class
Handle interaction mode change while interacting
Disable mouse wheel with log scales
Formatting
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' of https://github.com/t20100/pymca