expose license info in plugin API for installed plugins

src/plugins.js

@@ -265,6 +265,7 @@ Plugins.normalise = function (apiReturn, callback) {
 			pluginMap[plugin.id].active = plugin.active;
 			pluginMap[plugin.id].version = plugin.version;
 			pluginMap[plugin.id].settingsRoute = plugin.settingsRoute;
+			pluginMap[plugin.id].license = plugin.license;
 
 			// If package.json defines a version to use, stick to that
 			if (dependencies.hasOwnProperty(plugin.id) && semver.valid(dependencies[plugin.id])) {

src/plugins/data.js

@@ -55,6 +55,7 @@ function loadPluginInfo(pluginPath, callback) {
 			pluginData.repository = packageData.repository;
 			pluginData.nbbpm = packageData.nbbpm;
 			pluginData.path = pluginPath;
+			pluginData.license = packageData.license;
 		} catch (err) {
 			var pluginDir = path.basename(pluginPath);