bump version to 2.0.13
dist files
added invalidate task
Merge branch 'release/2.0.13' into develop
Merge branch 'develop' of github.com:CartoDB/cartodb.js into develop
removed wax.g and wax.leaf and using wax.cartodb to save some javascript size
removed old wax versions
Merge branch 'develop' of github.com:CartoDB/cartodb.js into develop