Refactored makefile to generate static linkable ecos_bb library
Moved ecos_bb header over to /include
Added additional mixed boolean unit tests
Added extern C flags to ecos_bb
Solved error where second solver will fail due to not clearing out former upper bound
Fixed errors in recursion
Added in new headers
Added ecos_bb readme file
Updated the new ecos_bb readme
Added funcitonality for max iter and also indexes for boolean variables
Merged changes from ecos trunk
Merge branch 'develop' of github.com:ifa-ethz/ecos