Added personal_microbiome.util.get_project_dir().

Ported from QIIME's qiime.util.get_qiime_project_dir().
Added support_files directory.

Mimics QIIME's qiime/support_files/ directory structure.

Added jquery.js library and moved logos under this directory.
Resources are now copied to output directory.

Resources such as javascript, images, etc. are now copied to the output
directory so that personalized results pages can reference them.

Also fixed index page to reference relative path to "My Microbes" image instead
of a remote URL.
Added tabbed layout using jquery-ui.

Still needs some layout work, but each piece of content is in its own tab now.
Improved style of page.

Improved the overall style of the personalized results index page. Still need
to fix up individual tab content.
Fixed issue with link coloring.

Links are now correct default color on Safari and Firefox.
Fixed up tabbed content styling.
Added footer.

Added "powered by" logos, copyright, and made text a bit smaller.
Misc. minor changes.

Added error text if javascript isn't enabled. Styled comparative taxa summary plots page.
Fixed a failing test.
Merge pull request #27 from jrrideout/issue_14

Style/layout improvements.