Frontend makeover

initial commit,
still a lot of obsolete files
added alternative database view, first sketch
minor
added text guide
preview of database table row values
wizard design upgrade: show steps
merged playground
substitution of former triples page with 'playground' triple from playground branch
wizard redesign
wizard redesign once more
fixed Grunt

just copied from former, still working version
Added fontawesome

http://fortawesome.github.io/
Database view makeover

-fontawesome
-enabling and preview separated
-just nicer
-better programming style :)
-deleted obsolete functions in rdb ctrl
separation database data from ui metadata. was in one object until now.
stash try
new triple view
latest
revamps dev branch
cleanup
adds to-dos