Update dev requirements with documentation requirements.

Author: jkeyes

dev-requirements.txt

@@ -4,4 +4,6 @@
 nose==1.3.4
 mock==1.0.1
 coveralls==0.5
-coverage==3.7.1
+coverage==3.7.1
+sphinx==1.4.8
+sphinx-rtd-theme==0.1.9

docs/conf.py

@@ -58,7 +58,7 @@
 import re
 with open(os.path.join(path_dir, 'intercom', '__init__.py')) as init:
     source = init.read()
-    m = re.search("__version__ = '(\d+\.\d+(\.(\d+|[a-z]+))?)'", source, re.M)
+    m = re.search("__version__ = '(.*)'", source, re.M)
     version = m.groups()[0]
 
 # The full version, including alpha/beta/rc tags.