option to enable/disable packages pane
catch exceptions from invalid seach terms
option to use gwt emulated stack mode
enable emulated stack via query parameter
allow newlines when logging to stderr
remove unused show environment tab setting
add environment variable for disabling packages pane
add entry point for sign in cookies to auth handler
check whether auth handler can set sign in cookies
enhance userBelongsToGroup to also check gid of user
don't set caching headers for custom http handlers if they already define them
handle rpc/suspend_session in background thread on posix
check for suspend in session connection listeners
force revaliation whenever returning cacheable content
server config w/ dev mode flag
add struct reader/writers to file serializer
file -> new -> rcpp file
Merge remote-tracking branch 'origin/master' into feature/breakpoints

Conflicts:
	src/gwt/src/org/rstudio/studio/client/workbench/views/source/editors/text/TextEditingTarget.java