~petersanchez/wikimain

Push to purge cache
Push to purge cache
Updating contributing doc for proper hg flagtemplate
Simple updates for contributing doc
Update with new link in contributing doc
Updating contributing doc
Updating links to contributing doc
Adding some basic send-email commands
Updating formatting
Adding contributing docs
Another fix for public key url
Fixing formatting issue
Added system public PGP key
Adding basic lists documentation. Updating index for lists addition
Small updates all around
Another update to index
Updating index
Added hg patch submission diff style
Updated hg docs
Added link to patchbomb docs
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