Move Lime Brokerage FIX to 'lime.fix'

Signed-off-by: Jussi Virtanen <jussi.virtanen@valotrading.com>
Move MB Trading Quote API to 'mbtrading.quoteapi'

Signed-off-by: Jussi Virtanen <jussi.virtanen@valotrading.com>
Merge pull request #113 from jvirtanen/cleanups/lime-fix

Move Lime Brokerage FIX to 'lime.fix'
Merge pull request #112 from jvirtanen/cleanups/mbtrading-quote-api

Move MB Trading Quote API to 'mbtrading.quoteapi'