Added data download page and help page (plus test files)

Help page is basically complete and just links to the wiki. Data
download page is kind of working, depends how/where we're actually going
to store experiment data. Folder of dummy files in "current" is just for
testing the download functionality.
Merge remote-tracking branch 'upstream/master'
Formatting changes
Merge pull request #57 from justinjessada/master

Added data download page and help page (plus dummy files)