Merge pull request #91 from sourishkrout/master

Selenium proxy is very particular about this...
code cleanup
travis update
travis update
travis update
travis update
travis update
test timeout update
test timeout update
fix racing condition in chain example
when using wd.js in promise mode all element functions should be promisified too
Adding size command, for changing window size with width and height.
Change name from size to windowSize for window sizing method.
Bumping version for release
Merge pull request #93 from bernii/master

FIX: racing condition in chain example
Merge pull request #95 from DocuSignDev/master

Adding "size" method for changing window size
Fixed doc comments
add window size setting/getting and test
update mapping and README
update docs and allow default 'current' window for set/get size