Remove the installed old version:

$ sudo apt-get remove vim vim-runtime gvim

Download VIM74:

$ hg clone https://code.google.com/p/vim/

Install prerequisite libraries:

$ apt-get install ncurses-dev build-essential mercurial python-dev

Build Vim from sources:

$ cd ~/vim/src
$ make distclean
$ # No slash behind "config" 
$ ./configure --with-python-config-dir=/usr/lib/python2.7/config --enable-pythoninterp -disable-gui --without-x
$ make
$ sudo make install

Set up Vundle:

$ git clone https://github.com/gmarik/Vundle.vim.git ~/.vim/bundle/Vundle.vim

In VIM:

:PluginInstall

Install development tools and CMake:

$ sudo apt-get install build-essential cmake python-dev

Compiling YCM: Refer to YCM Official Manual

Install CSApprox: (which make gvim-only colorschemes work in terminal vim)

• Download:

  http:https://www.vim.org/scripts/script.php?script_id=2390

• unzip it in ~/.vim

• Edit ~/.vimrc

  set t_Co=256

• Now you could see background in terminal vim.

Install terminal fonts(this font is compatible with vim-airline):

• Download fonts-master:

  https://github.com/Lokaltog/powerline-fonts

• Run ./install.sh in this package

• Edit ~/.vimrc(Integrate with powerline font)

  let g:airline_powerline_fonts = 1

• Change terminal font to "Powerline" Fonts.