Add documentation of unicode support
Merge pull request #3012 from imurchie/isaac-docs

Add documentation of unicode support
sample code update
Merge pull request #3017 from sebv/sample-code

sample code update
added/fixed doc js sample code.
doc fixes
Merge pull request #3018 from sebv/doc-js

Added/fixed doc js sample code.
Merge pull request #3019 from appium/doc-fixes

doc fixes
added README files in docs dir pointing to the doc site.