New Plugin: Keys
Let user input number of keys and store in localstorage of the browser.
New Plugin: Keys on map
Show the keys of Keys plugin on portals in the map.
Plugin Keys: Code restructure
Plugin Keys and Keys On Map: Add screenshot
Plugin Keys On Map: Disable if Plugin Keys is not there
Plugin Keys: Add tooltip to show message that this plugin can't get key count from Ingress
Plugin Keys On Map: Show message when the plugin disabled.
Merge pull request #74 from Xelio/plugin-keys

New Plugins: Keys and Keys on map