Added a function for changing the editing property

A function has been added to change the editing properties depending on
if it’s desktop or mobile version. This function is now called when
accessing the desktop version from mobile devices.
Removed the settings button from mobile version
Solution for bakground-color in textlines.

Not the best solution but it will change the background for codelines in
a small box, in 3boxes template.
Merge branch 'develop' into codeviewer-master
Merge remote-tracking branch 'origin/codeviewer-master' into codeviewer-buggfix-textlines-#420
Merge pull request #435 from HGustavs/codeviewer-bugfix-mobile-#318

Codeviewer bugfix mobile #318
Chagned linescolor in all the themes

Chagned linescolor in all the themes, to solve the lines ends to early.
#420
Merge pull request #438 from HGustavs/codeviewer-buggfix-textlines-#420

Codeviewer buggfix textlines #420 MKAAAY
Imp.lines buggfix and removed tooltip for mobile
imp.lines margin-left for black theme
Minor changes to alert box for save-function
Merge remote-tracking branch 'origin/codeviewer-master' into develop
Buggfix of highlighting operators - #442
Merge remote-tracking branch 'origin/codeviewer-master' into develop