extended editor capabilities#509

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LukasK13 wants to merge 7 commits intorstudio:mainfrom

LukasK13:master

Commits on Feb 23, 2018

extended editor capabilities
LukasK13
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Commits on Feb 25, 2018

Standard placeholder is defined by colname
LukasK13
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Commits on Mar 3, 2018

Shift + Tab to return to previous cell
LukasK13
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