Removed alpha state from docs and minor doc fixes.

README.rst

@@ -1,7 +1,6 @@
 CloudBridge aims to provide a simple layer of abstraction over
 different cloud providers, reducing or eliminating the need to write
-conditional code for each cloud. It is currently under development and is in
-an Alpha state.
+conditional code for each cloud.
 
 .. image:: https://landscape.io/github/gvlproject/cloudbridge/master/landscape.svg?style=flat
    :target: https://landscape.io/github/gvlproject/cloudbridge/master

docs/topics/testing.rst

@@ -41,7 +41,7 @@ This will run all the tests for all the environments defined in file
 Specific environment
 ~~~~~~~~~~~~~~~~~~~~
 If you’d like to run the tests on a specific environment only, say Python 2.7,
-use a command like this: ``tox -e py27``. Alternativley, to use your default
+use a command like this: ``tox -e py27``. Alternatively, to use your default
 python, you can also run the test command directly ``python setup.py test``.
 
 Select infrastructure