resolves #5

Implements textAlign

Signed-off-by: Luca Béla Palkovics <luca.bela.palkovics@gmail.com>
Update canvas2svg.js

Added Helper function.
Correct measureText

set `font` of `__ctx` before `measureText`.
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 pull request #4 from gliffy/master

Newest