move settings into its own module
removes symbol_dict globals
Moar refactoring

- Moves bits from css_style_completions.py out into their own modules
- Adds menu item for toggling cache saving
formatting
Adds class completions within LESS files
Some minor tweaks and added features

- Renames parser.py to style_parser.py
- Renames menu item 'Use Emmet' to 'Enable Emmet Completions'

- Adds ability to update view settings to auto trigger emmet completions
- Adds menu item 'Auto Trigger Emmet Completions' to toggle the above setting

- Settings no longer caches the settings file and now reads it on each request
- Resolves cache not loading on ST start via the above settings change
actually removes parser.py
Update README.md
bumps to 0.2.5
Merge branch 'develop' of github.com:subhaze/CSS-sublime-package into develop