add anotation, get and set snippet, good for doctrine
fix a typo
Merge remote-tracking branch 'upstream/master'
Merge pull request #158 from chrisyue/master

add an "annotation, get, and set" snippet
R.snippets. Add snippets for frequently used plot and statistical test functions
Merge pull request #159 from ncloudioj/master

For r.snippets
Merge remote-tracking branch 'upstream/master'