fix ctrlp working_path_mode
Use elzr/vim-json instead leshill/vim-json

leshill/vim-json will NOT be updated anymore, again.
Merge pull request #365 from JoveYu/3.0

fix ctrlp working_path_mode
Merge pull request #367 from perfectworks/3.0

Use elzr/vim-json instead leshill/vim-json
skip neocomplcache configure if use snipmate
Merge pull request #376 from perfectworks/3.0

skip neocomplcache configure if use snipmate
Merge branch '3.0' of https://github.com/spf13/spf13-vim into 3.0

* '3.0' of https://github.com/spf13/spf13-vim:
  skip neocomplcache configure if use snipmate
  Use elzr/vim-json instead leshill/vim-json
  fix ctrlp working_path_mode