ArcGis use RESTful

The OGC documentation is not clear if we should use REST or RESTful.
ArcGis use camelcase 'Style', not lowercase 'style'

The OGC documentation is not so clear if we should use style or Style.
Use Vienna wmts in wmts-from-capabilities example

vienna wmts capabilities url is:
http://maps.wien.gv.at/wmts/1.0.0/WMTSCapabilities.xml
Merge pull request #354 from bbinet/fix-wmts-from-cap-example

wmts-from-capabilities example doesn't work because of referer check
Use JSDoc master again

... so we're able to always give the JSDoc project instant
feedback on how it works with code that uses the Closure
library.
Update README and CONTRIBUTING

[ci skip]
Merge pull request #415 from ahocevar/jsdoc-pegged

Use JSDoc master again. r=@elemoine