hotkey for vertical alignment
make 'align assignment' a dynamic command; .equals for Java strings
update keyboard.htm
revamp 'is cursor in mode?' utils
ensure entire selection lies in R/C++ mode
use vertical alignment in 'SessionRCompletions.R'
the mode in C++ documents is actually 'C_CPP', not null, for C/C++ mode
add menu item for editing target widget
use static delim pattern; remove ';' when attempting numeric parse
Merge pull request #236 from rstudio/feature/align-equals

Add a hotkey for vertically aligning consecutive assignments