Merge branch 'master' of https://github.com/lmfit/lmfit-py
Merge branch 'master' of https://github.com/lmfit/lmfit-py
TST: Fix broken tests and make Travis run all tests.

TST: Put off fixing test_ci for now.

TST: Do not install mpl.

TST: Skip Nelder-Mead test if not present
Merge pull request #72 from danielballan/run-tests-on-travis

TST: Fix broken tests and make Travis run all tests.
Merge branch 'master' of https://github.com/lmfit/lmfit-py
Added redchi to all functions except anneal()
Added redchi to all functions except anneal()
Added residual, corrected chi2 and added redchi
Merge pull request #81 from Torrinos/master

Added missing attributes to other fit methods
improved redchi for scalar minimizers, suppress maxfev for more methods
comparing returned params in test_derive()
fixed scalar_minimize() tests
Minimizer.scalar_minimize supports tol, jac, hess options, now implicitly via **kws or from Minmizer(**fit_kws)
fix jacobian to be internal method for scalar_minimize()
using relative imports
check for not-yet-compiled constraint expressions
add test of adding a user-defined function to symbol table, use that in a constraint
update version to 0.7.4
updated install version in doc
updated doc to point literalincludes to examples folder