ENH: Initial commit of new PR re: dpc
removed the global variable
add lorentzian function
TST : fix travis to actually use current head
correction on functions
add tests
change api file
TST : give up on using conda recipe for now

 - travis makes a shallow clone of the target repo
 - conda-build tries to make a clone of the shallow clone which fails
Merge pull request #150 from tacaswell/travis_conda_fix

Travis conda fix
clean up
change doc
rm rst file
Merge pull request #149 from licode/more_function

ENH : More functions to be used in fitting
write gauss fitting model for vistrails wrapper
add all three functions for vt wrap
use factory to replace individual fitting model
remove x and y from outputs
add test in test_fitting.py
add list on dict values for python 3
correction on test