treat objects of type data.table and cast_df as data in the workspace view
don't advance cursor after execute code if there is a selection
correct logic for determining whether there is a selection prior to code execution
control-enter to execute code in the console
allow esc key to interrupt the console even if used in the source pane
set LC_COLLATE to "C" when calling roxygenize
don't clear error output buffer on console prompt
correctly handle multiline console input in presentation log
Merge pull request #24 from muelleki/feature/data.table

treat objects of type data.table and cast_df as data in the workspace view
version the presentation log
Merge branch 'master' of github.com:rstudio/rstudio
record slide type, help topic/doc in presentation log
record default slide type
support custom fonts and importing of google web fonts
include preamble in head
correctly set LC_COLLATE for roxygenize
eliminate unused presentation logging function
show presentation takes a file rather than a directory
eliminate project-level presentation auto-show option
rpres file extension