New features in v0.2.0:

- binaries for linux (python/matlab) and mac (python)
- Hessian propagation for IRK and GNSF
- improvements on GNSF API
- sparse OOQP interface revived
- dense OOQP interface
- regularization and convexification in SQP/RTI

Merge pull request acados#309 from rqelibari/master

Add travis releases support by tagging