Apache 2.4.x/Yosemite compatibility

Thanks to @rubenvarela for the original patch and @Nainterceptor for
the research.
Die if we can't make our document root

This didn't work well as a one-liner, breaking it out into a separate
if block.

Fixes #60.
Merge pull request #61 from virtualhost/document-root-exit

Die if we can't make our document root
Merge pull request #59 from Cottser/yosemite

Apache 2.4.x/Yosemite compatibility
Update GitHub URLs to the new organization
Add 1.32 changelog
Increase the version number
Use the Github releases API to fetch the latest version.
Merge pull request #66 from pgib/update/latest-version-checking

Use Github to discover the latest version instead of a DNS record.
Only check for a new version once every 60 minutes
Add RELEASE.md
Merge pull request #67 from Cottser/release.md

Add RELEASE.md
Merge pull request #68 from Cottser/limit-version-checks

Only check for a new version once every 60 minutes