Merge pull request #95 from just-boris/master

Some design improvements
Merge pull request #96 from just-boris/master

Compact feature view
Merge pull request #97 from just-boris/master

fix position of tooltip  on edge of screen
skip redundant units in time-axis
fix tests
create d3time formatter and tests for it
Merge pull request #98 from just-boris/ticks-variant

Skip redundant units in time-axis
update ui-bootstrap