Updated plugins and added vim-abolish

sources_non_forked/nerdtree/autoload/nerdtree.vim

@@ -89,7 +89,9 @@ function! nerdtree#deprecated(func, ...)
 endfunction
 
 " FUNCTION: nerdtree#exec(cmd) {{{2
-" same as :exec cmd  but eventignore=all is set for the duration
+" Same as :exec cmd but with eventignore set for the duration
+" to disable the autocommands used by NERDTree (BufEnter,
+" BufLeave and VimEnter)
 function! nerdtree#exec(cmd)
     let old_ei = &ei
     set ei=BufEnter,BufLeave,VimEnter

sources_non_forked/nerdtree/doc/NERD_tree.txt

@@ -806,7 +806,7 @@ then all files ending in .vim or ~ will be ignored.
 There are 2 magic flags that can be appended to the end of each regular
 expression to specify that the regex should match only files or only dirs.
 These flags are "[[dir]]" and "[[file]]". Example: >
-    let NERDTreeIgnore=['.d$[[dir]]', '.o$[[file]]']
+    let NERDTreeIgnore=['\.d$[[dir]]', '\.o$[[file]]']
 <
 This will cause all dirs ending in ".d" to be ignored and all files ending in
 ".o" to be ignored.

sources_non_forked/nerdtree/lib/nerdtree/path.vim

@@ -544,7 +544,7 @@ function! s:Path.readInfoFromDisk(fullpath)
         throw "NERDTree.InvalidFiletypeError: Cant handle FIFO files: " . a:fullpath
     endif
 
-    let self.pathSegments = split(fullpath, '/')
+    let self.pathSegments = filter(split(fullpath, '/'), '!empty(v:val)')
 
     let self.isReadOnly = 0
     if isdirectory(a:fullpath)