make sure that we remove any leftover tracing and profiling method
in the tests for the cython monitors.
Merge remote-tracking branch 'origin/master' into rework-cython-function-monitors
fix: add missing imports
Merge pull request #64 from enthought/rework-cython-function-monitors

make sure that we remove any leftover tracing and profiling method in the tests for the cython monitors
Merge branch 'master' into rework-pikos-run
use a separate requirements file for python 2.6
add a mandelbrot example