Merge branch 'master' into gradient
v0.7: edm and gradient available
updated README.md to feature gradient support
added warning to log wrapper
fixed report on bad boundtype option in test_functions exe
fixed possible overflow in linear scaling, ref #40
fixed bug in scaling along with boxed bound control + unit test
fixed scaling of x0 when applicable + fixed linear scaling along with pwq bounds in vectorized form + added unit test of vectorized form with inverse pheno function
direct API access to candidate pheno transform when applicable
made all geno/pheno transforms const + fixes to transforms when no bounds and linear scaling

Conflicts:
	src/noboundstrategy.h
	src/pwq_bound_strategy.h
Merge branch 'master' into nn_ex
deactivate edm with sep
added support for original mnist dataset
added support for deep layers to higgs nn