Add informative comments
renderTable: check for empty data frame. Fixes #55
Send URL in clientdata
Add parseQueryString function
Move allowDataUriScheme into .clientdata
Add tests for parseQueryString
Merge pull request #122 from wch/url

Send URL components in clientData
Update NEWS
Separate private and public fields for input and clientData
Merge remote-tracking branch 'jcheng5/master'

Conflicts:
	R/shiny.R
Fix allowDataUriScheme
Change license to GPL>=2
Add to on.exit() instead of replace
Add imageOutput function
Update NEWS
Fix access to .clientData
New method for detecting hidden outputs
Update NEWS
Update license information
Unbind controls in htmlOutput before displaying error