Fix typo referring to gulp, add error for missing semantic.json

gulpfile.js

@@ -99,6 +99,9 @@ try {
   ;
 }
 catch(error) {
+  if(error.code === 'MODULE_NOT_FOUND') {
+    console.error('No semantic.json config found');
+  }
   var config = false;
 }
 
@@ -173,7 +176,7 @@ gulp.task('watch', 'Watch for site/theme changes (Default Task)', function(callb
   console.log('Watching source files for changes');
 
   if(!fs.existsSync(config.files.theme)) {
-    console.error('Cant compile LESS. Run "grunt install" to create a theme config file');
+    console.error('Cant compile LESS. Run "gulp install" to create a theme config file');
     return;
   }
 
@@ -301,7 +304,7 @@ gulp.task('build', 'Builds all files from source', function(callback) {
   console.info('Building Semantic');
 
   if(!fs.existsSync(config.files.theme)) {
-    console.error('Cant build LESS. Run "grunt install" to create a theme config file');
+    console.error('Cant build LESS. Run "gulp install" to create a theme config file');
     return;
   }
 

tasks/gulp-settings.js

@@ -1,10 +1,19 @@
 
 var
+  path    = require('path'),
   fs      = require('fs'),
-  package = (fs.existsSync('../package/.json'))
-    ? require('../package.json')
-    : false
+  package
 ;
+try {
+  package = require('../package.json')
+}
+catch(error) {
+  // fallback
+  package = {
+    title : 'Semantic UI',
+    url   : 'git://github.com/Semantic-Org/Semantic-UI.git'
+  }
+}
 
 module.exports = {
   del: {