Package with distutils

Created cheatsheets package to store the default sheets.
Update readme with setup.py
Replace support for user's .cheat directories
Remove old install script
Don't require the package to be available.
Add a non-root section to the installation guide.
Change most of the headers to h1's.

Makes the subheadings in the installation section look less strange.
Change indent level from 2 spaces to 4.
Merge https://github.com/chrisallenlane/cheat

Conflicts:
	README.md
	cheat
	install
Remove duplicates from the list of cheatsheets.
Don't split cheatpath for no reason
Merge branch 'master' of https://github.com/kragniz/cheat into kragniz-master

* 'master' of https://github.com/kragniz/cheat:
  Don't split cheatpath for no reason
  Remove duplicates from the list of cheatsheets.
  Change indent level from 2 spaces to 4.
  Change most of the headers to h1's.
  Add a non-root section to the installation guide.
  Don't require the package to be available.
  Remove old install script
  Replace support for user's .cheat directories
  Update readme with setup.py
  Package with distutils
Merging new cheatsheets into kragniz's work.
Fixed a bug whereby the 'cheatsheet not found' error would always be displayed.
Did a refactoring to incorporate kragniz's work a little more delicately.