Add Typewriter (Light) colour scheme

I remove this earlier by mistake.
Very hacky offset implementation for Scrolling mode
Correct extensions in syntax
New & improved offset implementation for scrolling mode

Inelegant code, but robust solution to #3 (AFAICT).
Better settings
Fix #link-url
Update README
Refactor offset code

Now works in ST2, as well.
Add menu options and improve commands
Tweak #inline-link
Add syntax in PLIST
Crummy settings...
Update README
Merge stuff
Clean up script a little bit
Apply PEP8 formatting
Add keybindings for Markdown mode
Add common punctuation as restriction for single & double quotes
Remove final comma
Update package to 0.2.3

- Provides offset, as requested per issue #3
- Fixes issue #4