integers might work
merge
integer variable changes are non-breaking
added integer tests
merged master
added signs_and_sets file
now all the solvers call optimize
some integer and binary problems work
integer variables work; binary ones don't seem to
integers and binary work
everything but sdp tests work
updated interface to SCS solver to be the same as all other solvers; all semidefinite tests pass
merged integer branch into master; convex now solves MIPs