Merge pull request #51 from AnSavvides/master

Intro improvements (typo & link to opening issues)
Add bower.json
Add methods to manually enable and disable tracking.  Fixes #35. Fixes #24.
Add @gavJackson's "Loading Bar" theme (Closes #53)
Add author to themes list since we now have multiple authors
added radar theme
Raise the default ghost time
changed selector to .pace-activity
checked out the previous commits for pace.min.js and tests/demo.html
Merge pull request #58 from kennyglenn/master

added radar theme
Add Center Radar theme to the welcome page