increase margin between paginator items to fix issue #127
update HISTORY.md with paginator button fix
Replace negative margin fix with grid whitespace-removal fix.

Tested on Latest Chrome, FF, Safari, IE7/8/9.
I had to make the left padding different from the right padding
since the text was appearing skewed to the left with the new
grid fix.
reset letter-spacing and word-spacing for paginator list elements
Add _all_ Pure Grids styles to Paginator

Fixes #127
Closes #131
Merge pull request #8 from ericf/tilomitra-paginator-bug

Add _all_ Pure Grids styles to Paginator
Merge pull request #131 from tilomitra/paginator-bug

increase margin between paginator items to fix issue #127