Merge pull request #31 from EmilRehnberg/AddSomeConfigDocumentation

Added some more config documentation
Merge pull request #32 from EmilRehnberg/AddSomeConfigDocumentation

Expanded the config documentation
add papertrail to sponsors, link logos
Removed all mention of bundle-cache command, since man pages indicate it is obsolete.
Revised existing explanation for bundle-package command.
Added examples and explanations for the bundle-package command.
Merge pull request #33 from mahipal/update-cache-and-package-docs

Update the documentation for bundle-cache and bundle-package commands.
Use https for rubygems source

http will redirect, but https is recommended
Merge pull request #34 from dwradcliffe/patch-1

Use https for rubygems source