detect 'rmarkdown' extended type
plumb render initiate RPC call and client events
add Render R Markdown tab to console and factor compile output pane
connect to R Markdown package and show output during processing
implement R Markdown render terminate
Merge remote-tracking branch 'origin/master' into feature/rmarkdown-integration

Conflicts:
	src/gwt/src/org/rstudio/studio/client/server/remote/RemoteServer.java
emit name of output file generated from R Markdown package
use 'Knit' consistently
sync with R Markdown package output marker
configure new satellite window to host render output
Merge remote-tracking branch 'origin/master' into feature/rmarkdown-integration

Conflicts:
	src/gwt/src/org/rstudio/studio/client/workbench/commands/Commands.cmd.xml
	src/gwt/src/org/rstudio/studio/client/workbench/views/source/editors/text/TextEditingTargetWidget.java
render output results in satellite window (unfiltered)
map MathJax URLs to MathJax as bundled in 'rmarkdown'
don't open window on error; open in browser correctly
improve console tab and satellite window toolbars
make sure only one knit runs at a time
Merge pull request #92 from rstudio/feature/rmarkdown-integration

Add integration with the 'rmarkdown' package