Output: __slots__ = []
Merge branch 'develop' of github.com:tkanmae/Levmar into develop
Minor clean ups
Fix a typo
Merge branch '64bit-fix' into develop
Clean up

* Remove shebangs referring to python2.6
* Remove copylight lines
* Rename _core.pyx to _levmar.pyx
Use standard exceptions and UserWarning
Remove a convenient class Output
Remove examples/
Refactor

* Split a single function levmar() to functions with different constraints
* Remove _LMConstraints and its relatives
* Box constraints must a sequence of 2-tuples
* Specify linear constraints as a tuple of a 2d array and 1d array.
Remove dependency on np.distutils
Add examples/
Merge branch 'refactoring' into develop
Update levmar to version 2.6
Ignore warning messages from levmar

Comment out codes issuing warning messages when the starting point is
not feasible for minimization.
Merge branch 'levmar-2.6' into develop
Update README.rst
Add an example
Increase version number to 0.2.0
Merge branch 'develop'