Fixed #28
Merge branch 'master' of github.com:acado/acado
Update .travis.yml

Added clang compiler to the test script
Update .travis.yml

Added notifications "hook" -- send an email in case of failure
Merge branch 'master' of github.com:acado/acado
minor bug fix related to models without control inputs or parameters
added the crane MPC example back to MATLAB interface examples