implement check for devtools
show selected viewer type in drop list (not 2-way)
revised git and svn icons
Merge branch 'master' of github.com:/rstudio/rstudio
set and reflect preference for Shiny viewer type
remove forward slash in detected repo if necessary
use devtools when available
devtools for source and binary packages
specify path in call to roxygenize
don't show log dir when check is interrupted
updated git view icon
common implementation for package version checking
Provide custom ui & run hooks only for shiny >= 0.8
Merge remote-tracking branch: upstream/master