cocos2dx version info

Added version Info for cocos2dx version by using a regex expression to
read the version form the cocos2d.cpp file. Only tested on OSX. Fixes
cocos2d#339

bin/cocos.py

@@ -25,6 +25,7 @@
 import locale
 import gettext
 import json
+import re
 
 
 # FIXME: MultiLanguage should be deprecated in favor of gettext
@@ -178,7 +179,6 @@ def run_cmd(command, verbose, cwd=None):
         else:
             log_path = CCPlugin._log_path()
             command += ' >"%s" 2>&1' % log_path
-        sys.stdout.flush()
         ret = subprocess.call(command, shell=True, cwd=cwd)
         if ret != 0:
             message = MultiLanguage.get_string('COCOS_ERROR_RUNNING_CMD_RET_FMT', str(ret))
@@ -870,6 +870,13 @@ def _check_python_version():
 
     return ret
 
+def get_cocos_version():
+    path = os.path.dirname(os.path.abspath(sys.argv[1]))
+    reg_exp = re.compile(ur'return\s"([^"]*)"')
+    str = open(path+'/cocos2d.cpp','r').read()
+    cocos_version = reg_exp.findall(str)
+    return cocos_version
+
 # gettext
 locale.setlocale(locale.LC_ALL, '')  # use user's preferred locale
 language, encoding = locale.getlocale()
@@ -916,7 +923,8 @@ def _check_python_version():
         sys.exit(0)
 
     if len(sys.argv) > 1 and sys.argv[1] in ('-v', '--version'):
-        print("%s" % COCOS2D_CONSOLE_VERSION)
+        print("Console Version: %s" % COCOS2D_CONSOLE_VERSION)
+        print("Cocos Version: %s" % get_cocos_version())
         DataStatistic.terminate_stat()
         sys.exit(0)