Merge pull request #7 from jasonlong/gh-pages

Add `gv` description
Updating with some commands.
Merge branch 'gh-pages' of github.com:mrmrs/x--x into gh-pages

* 'gh-pages' of github.com:mrmrs/x--x:
  add gv entry
Adding global commands helpers.
Fix formatting.
Correct definition of <C-u> command about scrolling upwards.
Update post copy for vim as a design tool.
Fix small grammatical errors. And capitalization.
Updating what is css for post.
Updating list of essential plugins.
Copy change. Deleted words. Less to read. Seems good.
Correct B
Correct C and improve wording

Using mnemonic wording to help learning, e.g "til" for t, "find" for f.
Improve whitespace formatting.
Change D wording to be more mnemonic.
Explain E vs e difference.
Improve mnemonics for G.
Improve J and formatting.
Remove unnecessary example that wasn't used in K.
Fix marks.

Single quote was used instead of backtick. Single quote goes to the start of the line containing the mark, whereas backtick goes to the actual character of the mark.