Add the initial vim configuration file.

Note: This configuration file contains references and settings to
plugins that have not been installed yet.
Install the Pathogen plugin.
Install the solarized plugin.
Install the Fugitive plugin.
Install the UltiSnips plugin.
Add the python filetype plugin.
Load environment settings in bashrc.

The environment settings were not getting loaded from ~/.profile (Ubuntu 14.04).
Add tmux configuration file.
Install GoLang plugin.
Update bash prompt.
Add Go environment settings.