Added install script

Reviewed-by: Trevor Norris <trev.norris@gmail.com>
Remove dist for .gitignore

Now that the built files are being included, remove the dist dir from
the .gitignore list.
Remove AUTHORS file

Dumb to have. The commit log should show everything needed.
Add dist/docs to .gitignore

While we want the build files, we don't want the docs.
Working on 1.1
Merge branch '1.0'

Conflicts:
	package.json
Revert "Added install script"

This reverts commit 6b2074e964d1aab0f98b157ecb864605c85dd7fd.

Caused npm install to fail on windows.
Merge branch '1.0'

Conflicts:
	package.json
Return correct values for jStat.studentt.inv

Added tests for the studentt.pdf, .cdf, and .inv methods. Fixed an issue
with the .inv method (always returned positive values).

Fixes: #88
Reviewed-by: Trevor Norris <trev.norris@gmail.com>
Merge branch '1.0'

Conflicts:
	package.json
Accidentally ended up with the dist files in the repo
Merge branch 'master' of https://github.com/jstat/jstat

Conflicts:
	.gitignore