Fixed: Full Path to "R_bar_chart.r" Script Calculated Automatically

Closes #272
New: Release 1.2.2!
Fix: Update the 'conf.py' File for Sphinx

Trying to make things nice for readthedocs.org.
Fixed: Cleanup as Recommended by Sphinx
Fixed: Removed Unused 'sphinx_rtd_theme' from optional_requirements.txt
Fixed: Improve API (Installation and Known Issues)

This has been a for-a-while-standing problem.

Closes #286
New: Release 1.2.3 (to Prompt readthedocs.org to Build)
Merge branch 'master' into devel_2

Conflicts:
	doc/api/conf.py
	vis/analyzers/indexer.py
	vis/analyzers/indexers/interval.py
	vis/analyzers/indexers/noterest.py
	vis/analyzers/indexers/offset.py
	vis/analyzers/indexers/template.py
Fixed: Revise the pylint_rc File

Now that we aren't using PyQt anymore, we can remove PyQt-specific modifications
in the pylint configuration file.
Fixed: Allow pandas 0.14

It just works! According to the automated tests.
Merge branch 'master' into devel_2
New: Add "coverage" and "python-coveralls" to requirements.txt

I'm working on automated automated-test coverage reports with coveralls.io.
New: Coveralls.io Support in .travis.yml

Let's hope it works... !
Fixed: Update README.txt (also add coveralls.io to Same)
Fixed: Fix Travis's "script" Command
Fixed: Consistent Citation Year in README
New: Add .coveragerc File

Should have been in here a few commits ago. Oops!
Merge branch 'master' into devel_2