Analyzefit

- Added get_range function to manipulate.py to reduce code complexity
in analyze.py.

- Added some comments to have landscape ignore some incorrectly
identified isues.
- Removed unused code from manipulate.py.
- Removed unused import from plotting.py.

- (sivu1) Added an import statement and fixed a typo in the example
code found in the README.
- (sivu1) Used flatten to fix 1d arrays.
- (sivu1 and wsmorgan) Fixed the range functions when the result of the min/max functions
are lists by adding [-1] to the argument.

- Added the Analysis class to the global import in __init__.py.

- Added additional unit testing functions for travis.
- Changed import of plotting subroutine to import for analyzefit explicitly.
- Changed import of manipulate subroutine to import for analyzefit explicitly.
- Fixed module name in tox.in.
- Added pypi and quantifiedcode badges.
- Fixed last issues found by quantifiedcode.

- Fixed bug reported in Issue 5, the number of y values and predictions must now agree.
- Fixed bug reported in Issue 4, y values and prediction (or feature matrices) are required.
- Fixed bug reported in Issue 3, now using psuedo-inverse on singular matrices.
- Refactored analyzsis class and created _check_input function to reduce code duplication.
- Updated README.md.
- Fixed documentation in code.