Disable default gitgutter key mappings in Vim

Was conflicting with my custom <Leader>h mapping.
Fallback to default pager with Git
Add marked Vim plugin
Load global.vim last
Remove unused Vim plugins
Add gitv Vim plugin
Replace rbenv config with @jasoncodes' chruby config
Move aliases/ into shell/
Replace shell config with @jasoncodes'
Remove zephyros config
Replace ackrc config with @jasoncodes'