Add packrat button + dropdown menu
Add Packrat class to handle click behavior
Simple console execution of packrat commands
SaveFileDialog for bundle; some tweaks to commands
add Packrat installation dialog stubs
added stubs for Packrat session and server modules and functions
add command to save source files and refresh viewer
Revert "highlighting for chain operator"

This reverts commit 844c76be109a74bb3751a06b0295aa8916db7363.
Use new htmltools API for dependencies
add htmltools dependency for rmarkdown
add file monitoring stubs
add ptrace to startup profile
Fix small typo

Reviewed by @jmcphers
Index more file types (.py, .sh, .sql, .Rprofile)
Also find 'configure', 'cleanup', 'Makevars' files
Fix bug in register for filenames w/no extension
Merge pull request #109 from rstudio/feature/new-file-types

Index more file types (.py, .sh, .sql, .Rprofile)
update knitr dependency to 1.6
don't log path not found error for missing library
Ignore .idea/ folder