fixes #6
Merge branch 'fix' of https://github.com/KoKuToru/canvas2svg
add unit tests for new textalign support, update readme
Merge pull request #8 from KoKuToru/fix2

Correct measureText
Merge branch 'master' of https://github.com/gliffy/canvas2svg into gliffy-master
Merge branch 'gliffy-master'