Merge pull request #23 from tpetricek/master

Support DateTimeOffset as X value
Merge pull request #24 from tpetricek/master

Try to infer type of X axis data
Merge pull request #25 from tpetricek/master

Add nicer logo :-)
Update release scripts, package restore and remove binaries
Adding nuget to .nuget folder
Update release scripts and add new version