Don't use new assumptions in the manualintegrate.py
Don't use new assumptions in the solvers module
Merge pull request #7898 from skirpichev/remove-use-newassump

Don't mix old and new assumptions in the sympy codebase
[decide] _finite -> nzfinite until better name is chosen [skip ci]
merge with master
add docstring to as_dummy()
make Mul._eval_is_real aware of complex=1,real=0,imaginary=0 terms
make Add._eval_is_* methods infinite-aware
modelit