st2 update
Update Makefile
Squashed 'R-Extended/' changes from c0f9ad7..a52da87

a52da87 better completion prompt
6e08549 some r sweave fix
7b0cced add word_separators for Rnw
68a814c imageoptimized
664ff39 remove word separators
bb7d0f9 change temperary json filename
fbf6caf fix the highlight issue https://github.com/randy3k/R-Extended/issues/1#issuecomment-48135642
b5bdbc5 add <> to word_separators
2e25115 add R markdown build
774e8af disable source function for R sweave doc
efcf964 remove supportfun.json
ae46dda update support fun.R
d5dbb6a support functions update

git-subtree-dir: R-Extended
git-subtree-split: a52da87994870e7d0b7efb3e3429595752c704bc
Merge commit '4c91cc1c6b8ebb39b62dde651580f61dfc94d2af' into st2