migrate to gwt 2.7.0
don't return error for ESRCH when terminating process
respect completion options
Merge pull request #234 from rstudio/feature/respect-more-completion-options

Respect values of new completion options
revise the project dir navigation icon to be more subtle
Merge branch 'master' of github.com:rstudio/rstudio
Merge branch 'master' of github.com:rstudio/rstudio
fixes + safer checks for shiny completions
Merge remote-tracking branch 'origin/master' into feature/gwt2.7
fix typo
Merge pull request #237 from rstudio/feature/gwt2.7

update to gwt 2.7
fix install of gwt 2.7.0 on windows
move go to project dir button to the left of the project menu
form environment object length description non-destructively
don't auto-popup following '(' in comment
Merge branch 'master' into feature/file-search-widget