Change ultisnips submodule URL
Remove duplicate plugin code in colors-solarized submodule.

The vim-colors-solarized plugin can be referenced directly from the
'solarized' submodule so no need to duplicate it in vim/bundle.
Add vim-misc plugin as a submodule.

The vim-misc plugin is a required dependency of vim-session.
Ignore installed eclim files
Run a .local_env script for local system configuration.

The .local_env script is run from .bashrc and will typically contain
configuration commands local to the current system.
Default to unix format for new files
Add unimpaired plugin as a submodule
Add snippets plugin as a submodule
Add taglist plugin as a submodule
Add CtrlP plugin as a submodule
Add YouCompleteMe plugin as a submodule
Add vim-gradle plugin as a git submodule
Add supertab plugin as a git submodule.

Use supertab to get UltiSnips and YouCompleteMe to share use of the TAB
key.
Add sensible plugin as a git submodule.

Remove settings from vimrc that are duplicated in sensible.