make port parametric.

Author: batprat

TODO.txt

@@ -22,7 +22,6 @@
  . unmerged, added by us
  . unmerged, added by them
  . unmerged, both added
-. Start program using custom port
 . Continuous output for clone, pull
 . Toggle whitespace while showing diff
 . Stage selected lines
@@ -65,4 +64,5 @@
 - . Show branches graph
 -. Handle merging            // https://git-scm.com/book/en/v2/Git-Branching-Basic-Branching-and-Merging
 -. encodeURIComponent instead of complex >>> structure.
--. Add loaders to all git operations
+-. Add loaders to all git operations
+-. Start program using custom port

bin/www

@@ -12,7 +12,7 @@ var http = require('http');
  * Get port from environment and store in Express.
  */
 
-var port = normalizePort(process.env.PORT || '3000');
+var port = normalizePort(process.argv[2] || process.env.PORT || '3000');
 app.set('port', port);
 
 /**