1. Just clone vim-plug script into autoload/:
   $ curl -fLo ~/.vim/autoload/plug.vim --create-dirs \
     https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim

2. And add the following into vimrc:
   call plug#begin('~/.vim/plugged')
   Plug 'junegunn/vim-plug', {'do':'cp -f plug.vim ../../autoload/'}
   call plug#end()

3. Update the '.gitignore' for ignoring the "plugged".

Signed-off-by: Jerry Zhou <[email protected]>

Just introduce the followings into vimrc:
1. Global Misc Settings
2. Global ShortKey Settings
3. Some Settings related with File

Try to use function to group all the settings.

Signed-off-by: Jerry Zhou <[email protected]>

Just introduce the followings into vimrc:
1. some settings with c/h files
2. some settings with python files
Bind these settings with 'autocmd' in vim.

Signed-off-by: Jerry Zhou <[email protected]>

1. Introduce in some settings related GVim.
2. Update the shortkey settings:
   <leader>d:  Delete the current buffer.
   <leader>o:  Close the other windows.
   <leader>c:  Close the current windows.

Signed-off-by: Jerry Zhou <[email protected]>

Introduce the following scripts into vim-plug:
1. Plug 'majutsushi/tagbar'
2. Plug 'andreyugolnik/manpageview'
3. Plug 'aperezdc/vim-template'
4. Plug 'aklt/plantuml-syntax'

Signed-off-by: Jerry Zhou <[email protected]>

1. Install the bufexplorer:
   Plug 'jlanzarotta/bufexplorer'

2. Make some configure with bufexplorer
   call s:configure_bufexplorer()

3. Fix a <leader> key issue:
   let mapleader=" " => let g:mapleader=" "

Signed-off-by: Jerry Zhou <[email protected]>

1. Install the NERDTree:
   Plug 'scrooloose/nerdtree', {'on': 'NERDTreeToggle'}

2. Make some configure with NERDTree:
   call s:configure_nredtree()

Signed-off-by: Jerry Zhou <[email protected]>

1. Install the ultisnips:
   Plug 'SirVer/ultisnips'
   Plug 'honza/vim-snippets'

2. Make some configure with ultisnips
   call s:configure_ultisnips()

3. Just remove some useless space in variable assignment expression for
   fixing some issues.

Signed-off-by: Jerry Zhou <[email protected]>

1. Install the powerline, airline and airline themes:
   Plug 'Lokaltog/vim-powerline'
   Plug 'vim-airline/vim-airline'
   Plug 'vim-airline/vim-airline-themes'

2. Make some configure with airline
   call s:configure_airline()

Signed-off-by: Jerry Zhou <[email protected]>

1. Install the gitgutter:
   Plug 'airblade/vim-gitgutter'

2. Make some configure with gitgutter
   call s:configure_gitgutter()

Signed-off-by: Jerry Zhou <[email protected]>

1. Install the CtrlP:
   Plug 'ctrlpvim/ctrlp.vim'

2. Make some configure with CtrlP:
   call s:configure_ctrlp()

Signed-off-by: Jerry Zhou <[email protected]>

1. Install the YouCompleteMe:
   Plug 'Valloric/YouCompleteMe', { ... }

Signed-off-by: Jerry Zhou <[email protected]>

1. Improve the CtrlP:
   Introduce in ctrlp-py-matcher and improve the function
   s:configure_ctrlp() to speed up the search.

2. Make some configure with CtrlPFunky:
   call s:configure_ctrlpfunky()

Signed-off-by: Jerry Zhou <[email protected]>