JSHint : Worker
JSHint: Services Part 1 + scrollbars linux
server back to localhost
no more enum
Fixes #50 preview shown without OSCI

todo: strange chrome canvas issue with single osci on mac
fixed preview and hide enlarge on single can tests
began with handleglobalkeystrokes unit tests
Unit tests: handlekeystrokes
Improving unit test handlekeytrokes
Improving unit test handlekeytrokes part 2
Select multiple Segments with arrow keys and shift

left as well as right
change label on enter
Improving handlekeystrokes
toggleRightSideMenuHidden
some e2e adoptions
Fixes #51 plus unit test handlekeystrokes
multiple worker unit tests
finished spectro worker
Textgrid issue on unit test textgridparser
css timeline border fix