Merge pull request #106 from pmorie/gear-build

Add 'gear build'
Initial updates for geard keys command
Initial updates for geard keys command
Merge fixes
Removed debug logging, added support for --write flag for repository
Fixups per smarterclayton comments
Merge pull request #105 from derekwaynecarr/gear-keys-command

Gear keys command
Make gear build operator like other commands wrt environment