Update requires to hg 2.2.2

requires.txt

@@ -13,5 +13,6 b' dulwich>=0.8.5,<0.9.0'
 webob==1.0.8
 markdown==2.1.1
 docutils==0.8.1
+simplejson==2.5.2
 py-bcrypt
-mercurial>=2.2.1,<2.3
  No newline at end of file
+mercurial>=2.2.2,<2.3
  No newline at end of file

rhodecode/__init__.py

@@ -72,10 +72,10 b' if __py_version__ < (2, 6):'
     requirements.append("pysqlite")
 
 if is_windows:
-    requirements.append("mercurial>=2.2.1,<2.3")
+    requirements.append("mercurial>=2.2.2,<2.3")
 else:
     requirements.append("py-bcrypt")
-    requirements.append("mercurial>=2.2.1,<2.3")
+    requirements.append("mercurial>=2.2.2,<2.3")
 
 
 def get_version():