fixed various bugs. square didn't work properly. sizes didn't work properly with transposes.
fixed unit tests.
updated a test file TODO list
scaled some constraints. fixed small pdos bug.
updated permissions. added svm example. should probably start making folder of examples
added normalization
returning all variables now
set up so that we can pass arguments to C func
added partial scala codegen
delite code; almost.
added ecos interface
modified pdos interface