Updated code in README for installation.
fixed some issues in vimrc relating to file paths
reviewed OMZ! plugins. fixes #16
added git config for `ghi`. fixes #1
added a lot of improvements to startup screen (via startify) [fixes #14]
added support to display UI type to airline (fixes #5)
fixes #8
added a ZSH function to measure average runtime for given command
added hub to be used in place of git (resolves #18)