Look for directories when bootstrapping plugins
Look for directories when bootstrapping plugins

Ignore all files in plugins dir when bootstrapping plugins

fixes #2

newmanw/mage-server,newmanw/mage-server,jclark118/mage-server,jclark118/mage-server,newmanw/mage-server,jclark118/mage-server,ngageoint/mage-server,ngageoint/mage-server,ngageoint/mage-server,ngageoint/mage-server