Version updated

Cleanup

Settings updated

gitignore update

"Check door" state fix.

"Return XYZ" button only restores G92 offsets.

Merge pull request #45 from benishor/master

Added *.ngc to the supported g-code files extension list

Visualizer buttons have adaptive color now.

Abort button fix. Status query fix.

Prepare version 0.8.

readme.md update