Update with ViM editing libraries

- Update with adtool for language checking
- Update with w3m tool for grabbing HTML web pages
- Update with rubocop for Ruby syntax checking
- Update with vim-polygot plugin for better syntax highlighting
- Delete references to old syntax highlighting libraries
- Update with NERDTree plugin for easier tree exploration
- Update with Tagbar plugin for navigation amongst ctags
- Update Supertab plugin for better <tab> completion
- Update ViM with startup file to open Tagbar & NERDTree
- Update each new plugin with various settings and keyboard shortcuts
  and/or bindings
- Update Syntastic plugin settings with new checkers and tools
Update various documentation

- Update various errors in README
- Update sorting order of plugins
- Update ctags settings file with comments
- Update ctags settings file with general and PHP configurations
- Update sort order of ViM plugins/settings listings
- Create various keyboard shortcuts for ViM
Update git attributes

After reading article from Github, update the attributes file to force
various files into correct line endings.