Merge from 0.0.5 tag release: README and Release notes updated.
Merged 0.0.4 Release note additions from master.

Also removed installation command mkdir since the git repo has the blank
folders required for this setup anyway.
Removed mapping of j and k to gj anf gk
Removed powerline files and added powerline bundle.
Added powerline config files from bundle.
Updated the powerline install link.

Powerline is still under beta and continues to change quickly.
Removed lag for updating status line when leaving insert mode.

The tip came from
https://powerline.readthedocs.org/en/latest/tipstricks.html

With the fix, the change between insert mode and normal mode is
reflected in the status bar instantly.
Added spaces around branch symbol in powerline status.

The symbol rubbed up against one of the triangulat edges before.
Added spaces after separators in powerline statusline.
Updated release notes to reflect 0.1.0 release.
Updated README to reflect that users no longer need to install powerline.

Powerline is now included inside the repo.
Releasing 0.1.0: Added local powerline install in this repo.