Correct & expand dev environment setup instructions
Update README with information on secrets.json file
Merge pull request #98 from mipearson/update-readme

Correct & expand dev environment setup instructions
Improve secrets.json instructions.
Merge pull request #99 from marcw/secrets-documentation

Update README with information on secrets.json file
Update to BS3 and other improvements.

- Update to Bootstrap 3.
- Eliminate server Makefile
    - Write CSS directly instead of using less.
    - Concatenate js and css files at runtime.
- Fix capitalization of GitHub.
- The 'jump' to export feature is disabled for now.
Cleanup problems introduced by BS3 update.
Fixes unnecessary space between date and period in html template.

Removes unnecessary trailing space.
Merge pull request #102 from shurcooL/space-patch

Fixes unnecessary space between date and period in html template.
Miscellaneous improvements.

 - Reorganize background task code.
 - Add Go subrepo page.
 - Add more project reference regexps.
Improve package footer.

- Add whitespace and horiontal line between main document and footer.
- Move errors to footer.
Add meta robots NOINDEX to more pages.

- Don't index search results and directory listings.
- Move directory listing pages from pkg.* templates to new dir.*
  templates.
Use hash for path -> id map.
Add importers API endpoint.
Use GitHub search API to find updated repos.
Fix break caused by functionality change in net/url.

Handle
https://code.google.com/p/go/source/detail?r=03265149ced8e16074b7dbdb5e8a0a1d3f648fc5.

- Assume that String() prepends a '/' to the path.
- Escape fragment using URL.Fragment field. Although the code worked
  before, this is the correct way to escape a fragment.
Improve GitHub updates processing.

- Separate crawl queue from time for next crawl.
- Wait one hour before crawling recent updates to prevent flooding by
  frequently updated projects.
Change "uft-8" to "utf-8".
Merge pull request #105 from jmcvetta/utf_typo_fix

Change "uft-8" to "utf-8".
Automatically reload HTML & Text templates if modified.