added documentation and refactored unit testing (kernel_languages replace python_kernel argument to gen_variants)
improved documentation for tests
fixed formatting in developer docs
Merge pull request #188 from ahmadia/refactor_tests

added documentation and refactored unit testing
Add configuration for Travis and list numpy as a dependency.
added Burgers 1D IPython notebook
Merge pull request #191 from ahmadia/add_burgers_notebook

added Burgers 1D IPython notebook
Add apps/traffic/.
update traffic example initial conditions.
Merge pull request #193 from ketch/traffic-app

Add 1D traffic flow app.
fixed old-style python_kernel test parameter (removed, see #188)
Merge pull request #195 from ahmadia/issues/194

fixed old-style python_kernel test parameter (removed, see #188)
AMR shallow2d now works with peanoclaw
profiled shallow-water code
changed callbacks to support different subdivision factors in different dimensions
fixed namespace renaming
added shockbubble example
fixed plotting
deleted shockbubble example
added amr to shockbubble example