Added vim-commentary and updarted the plugins.

commentary:
Comment stuff out.  Use `gcc` to comment out a line (takes a count),
`gc` to comment out the target of a motion (for example, `gcap` to
comment out a paragraph), and `gc` in visual mode to comment out the
selection.  That's it.

sources_non_forked/vim-snipmate/doc/snipMate.txt

@@ -194,7 +194,6 @@ Multiple snippets can be defined in *.snippets files. Each snippet definition
 looks something like: >
 
     snippet trigger optional description
-    guard left_from_cursor='^\s*'
         expanded text
         more expanded text
 
@@ -203,9 +202,6 @@ The description is optional. If it is left out and a second snippet inside the
 same .snippets file uses the same trigger, the second one will overwrite the
 first. Otherwise multisnip is used.
 
-The guard condition line is also optional. It can be used to make a snippet
-available only in some cases. The value should be a VimL expression.
-
 Note: Hard tabs in the expansion text are required. When the snippet is
 expanded in the text and 'expandtab' is set, each tab will be replaced with
 spaces based on 'softtabstop' if nonzero or 'shiftwidth' otherwise.
@@ -254,7 +250,7 @@ the tab stop. This text then can be copied throughout the snippet using "$#",
 given # is the same number as used before. So, to make a C for loop: >
 
     snippet for
-        for (${2:i}; $2 < ${1:count}; $1++) {
+        for (${2:i}=0; $2 < ${1:count}; $2++) {
             ${4}
         }