Rename the project to askari.

Askari (or properly 'askari wa kifaru') is the swahili name for the little birds that sit on the backs of elephants, rhinos and the like eating bugs.  They are generally small, fast creatures sitting on the backs of big slow ones.

And the gem isn't taken.
Merge pull request #2 from seomoz/phs/rename-project

Rename the project to askari.