Merge pull request #1 from SUSE-Cloud/master

two changes we found useful
Add command to plot directly from trollolo

This obsoletes the script, which is copied into the directory
containing the data.
Deal with extra tasks more robustly
Don't use plotting script as template anymore
Handle extra tasks correctly
Add Travis configuration
Add entry in man page for plot command
Enable CodeClimate code coverage
Add Travis CI badge
Add Code Climate badges
Add Code Climate test coverage configuration
allow to give sprint number from outside
make a name_to_points function

for determining story points from a card's name
allow for fractional story points

e.g. (0.5)