Added Bibliography Annotations

This adds the ability to use biblatex annotations to your works cited.
In your .bib file, simply use the annotation field and it will place
the annotation within your works cited.
set \bibhang to \parindent

MLA format requires that the hanging indent of citations be 0.5in. This is not the default in biblatex-mla. This commit sets \bibhang appropriately.
Fix missing parentheses

Fixes issue as reported at https://github.com/jmclawson/biblatex-mla/issues/5
Merge pull request #2 from kc9jud/master

Fixes to conform to MLA standards
Now downloads mla13 package from github

This allows for other users to commit to the github package which will then work with this installation script.
Fixed Error from downloading the wrong file
Create README.md
Update README.md
Update README.md
Simplify indentation

Fixing while avoiding redefining the `\bibhang` length by setting the `\parindent` length before calling the `biblatex` package.
Merge pull request #3 from jmclawson/patch-1

Simplify indentation
Section Headings

Format section headings in a way expected by MLA style.
added section formatting renewcommand statements
Merge pull request #6 from kc9jud/master

Section Headings
Merge pull request #5 from jmclawson/patch-2

Section Headings
Added an Open Source MIT License
Added sample bibtex document with sample paper
Be more system independant.
Merge pull request #10 from marblenix/patch-1

Be more system independant.
Updated the center environment in the title.

This should remove the extra space around the title in the document to better conform to MLA standards.