draw dots option
README update
Releasing 1.0.9
Merge pull request #102 from n3-charts/lineMode

Line mode : dashed
drawDotsOptionOnSeries
drawDotsOptionOnSeries
merge_changes
pr_comment
Initial work on improved scrubber tooltip mode
Fixed tests
Smart scrubber tooltips : switch side when not enough space
Scrubber tooltip don't overlap anymore
Updated tests
Improved test coverage
Fixed tests and rebased from munster
Upgraded Travis' Firefox version
Stubbed some more svg measuring for Travis and cleaned the code
Losened visual regression tests
Increased version number for release
Updated README and tootlip's formatter interface