Simplify requirements.txt by just having the one that installs everything

needed by the developer (base requirements + testing tools +
documentation tools)

Add documentation building to the tox and travis test scripts.

.travis.yml

@@ -16,7 +16,7 @@ env:
 
 # command to install dependencies, e.g. pip install -r requirements.txt
 install:
-    - pip install -r requirements/test.txt
+    - pip install -r requirements.txt
     - if $LXML == true; then pip install lxml; fi
     - if [[ $TRAVIS_PYTHON_VERSION == 2.6 ]]; then pip install unittest2; fi
 
@@ -24,6 +24,7 @@ install:
 script:
     - pep8 --exclude test_main.py fastkml
     - coverage run --source=fastkml setup.py test
+    - cd docs && make html
 
 after_success:
     coveralls

README.rst

@@ -15,6 +15,7 @@ Geometries are handled as pygeoif_ or shapely_ (if installed) objects.
 .. _shapely: http://pypi.python.org/pypi/Shapely
 .. _lxml: https://pypi.python.org/pypi/lxml
 .. _dateutils: https://pypi.python.org/pypi/dateutils
+.. _pip: https://pypi.python.org/pypi/pip
 
 fastkml is continually tested with *Travis CI*
 
@@ -49,6 +50,11 @@ Optional
 * lxml_
 * shapely_
 
+You can install all of the requirements for working with fastkml by using pip_:
+
+    pip install -r requirements.txt
+
+
 Documentation
 =============
 

requirements.txt

+# Base package requirements
+pygeoif
+python-dateutil
+
+# Testing Requirements
+pytest
+pep8
+coveralls
+tox>=1.8
+
+# Documentation Requirements
+Sphinx
+sphinx-rtd-theme

requirements/common.txt

-pygeoif
-python-dateutil

requirements/test.txt

--r common.txt
-
-pytest
-pep8
-coveralls

tox.ini

@@ -3,7 +3,7 @@ envlist =
     {py26,py27,py32,py33,py34},
     {py26,py27,py32,py33,py34}-{shapely,lxml},
     {py26,py27,py32,py33,py34}-shapely-lxml,
-    pep8
+    pep8,docs
 
 [testenv]
 deps =
@@ -20,3 +20,11 @@ deps =
     pep8
 commands =
     pep8 --exclude test_main.py fastkml
+
+[testenv:docs]
+changedir = docs
+deps =
+    Sphinx
+    sphinx-rtd-theme
+commands =
+    make html