bumped version to 2.2.2

sirfz · sirfz · commit 850d8b44659d · 2017-07-26T21:43:14.000+03:00
diff --git a/tesserocr.pyx b/tesserocr.pyx
@@ -18,7 +18,7 @@ tesseract 3.04.00
  ['eng', 'osd', 'equ'])
 """
 
-__version__ = '2.2.2-rc.1'
+__version__ = '2.2.2'
 
 import os
 from io import BytesIO
diff --git a/tox.ini b/tox.ini
@@ -1,6 +1,7 @@
 [tox]
 envlist=py27, py35, py36
 [testenv]
+passenv=TESSDATA_PREFIX
 deps=
     Pillow
 commands={envpython} setup.py test
