Add code to create the specified directory if it doesn't exist.

- Nide will now create a new directory for the project if the provided path doesn't exist. Directory creation will only take place when using the `init` command.
- Make some log messages more clear.

main.js

@@ -4,6 +4,7 @@ var program = require('commander');
 var server = require('./server/server');
 var project = require('./server/project');
 var exec = require('child_process').exec
+var path = require('path')
 var fs = require('fs')
 
 var packageJSON = JSON.parse(fs.readFileSync(__dirname + '/package.json', 'utf-8'))
@@ -33,6 +34,10 @@ program
     .action(function(dir){checkForDependencies(function(){
         // Work around name collision caused by "password" function provided by commander
         var password = program.password instanceof Function ? undefined : program.password
+        if (dir && !path.existsSync(dir)) {
+            console.log('Created `' + dir + '` directory.')
+            fs.mkdirSync(dir)
+        }
         project.chdir(dir)
         project.init()
         project.start()

server/project.js

@@ -64,7 +64,7 @@ exports.init = function() {
         console.error('Error: Cannot create new project. `.nide` already exists.')
         process.exit(-1)
     }
-    console.log('Created project directory')
+    console.log('Created `.nide` directory')
     var gitignore = ''
     try {
         gitignore = fs.readFileSync('.gitignore', 'utf8')
@@ -78,7 +78,7 @@ exports.init = function() {
         }
         fs.writeFileSync('.gitignore', gitignoreLines.join('\n') + '\n', 'utf8')
     }
-    console.log('Added project directory to .gitignore')
+    console.log('Added `.nide` directory to .gitignore')
     var npmignore = ''
     try {
         npmignore = fs.readFileSync('.npmignore', 'utf8')
@@ -92,7 +92,7 @@ exports.init = function() {
         }
         fs.writeFileSync('.npmignore', npmignoreLines.join('\n') + '\n', 'utf8')
     }
-    console.log('Added project directory to .npmignore')
+    console.log('Added `.nide` directory to .npmignore')
     try {
         packageJson = fs.readFileSync('package.json', 'utf8')
     } catch (e) {