title: sencha mac working directory is not recognized
body: <p>I downloaded and installed Sencha Touch on my Mac (http://www.sencha.com/products/touch/download/sencha-touch-2.1/). 
  Whenever I type sencha command in terminal I am getting the:</p>
  
  <pre><code>[WARN] The current working directory (/Users/jmc72) is not a recognized Sencha SDK or application folder. Running in backwards compatible mode.
  </code></pre>
  
  <p>I tried to run it from different directories and output is the same.</p>
  
  <p>My PATH looks like:</p>
  
  <pre><code>/Applications/SenchaSDKTools:
  /Library/Frameworks/Python.framework/Versions/2.7/bin:
  /Library/Frameworks/Python.framework/Versions/2.7/bin:
  /usr/local/bin:
  /usr/bin:
  /bin:
  /usr/sbin:
  /sbin:
  /Applications/SenchaSDKTools:
  /Users/jmc72/Sites/senchaSDK:
  /usr/X11/bin
  </code></pre>
  
  <p>My .bash_profile:</p>
  
  <pre><code>export PATH=/Applications/SenchaSDKTools:$PATH
  
  export PATH=/Users/jmc72/Sites/senchaSDK:$PATH
  </code></pre>
  
  <p>Sencha SDK (documentation ?) is located in /Users/jmc72/Sites/senchaSDK 
  and SDKTools are located in /Applications/SenchaSDKTools</p>
  
  <p>EDIT
  Following the suggestion I created the .senchsdk file but now I am getting the following error:</p>
  
  <pre><code>sencha
  
  node.js:201
          throw e; // process.nextTick error, or 'error' event on first tick
                ^
  Error: Cannot find module '/Users/sadmin/Downloads/sencha-touch-2.1.0-commercial/command/sencha.js'
      at Function._resolveFilename (module.js:332:11)
      at Function._load (module.js:279:25)
      at Array.0 (module.js:479:10)
      at EventEmitter._tickCallback (node.js:192:40)
  </code></pre>
  
  <p>What am I doing wrong?
  Any help will be appreciated.</p>