added .travis.yml for auto build / test
refactored trace pool management, also removed cache flush routine
as it has little effect in SMP systems;
added trove classification
pysandbox changed to static linkage against the core library
modified configure to generate pkgconfig and rpmbuild specs from templates
added simple test suite for pysandbox
fixed testsuite for py26 compatibility
revised distutil setup script
revised sandbox.pc and sandbox.spec update condition
revised test_piped_std{in,out} cases
rewrote timeout calibration in sandbox_manager()
and fixed SIGSTAT / SIGPROF frequency flipping; also removed an aggressive MONITOR_ERROR in sandbox_profiler()
resumed dynamic linkage as default
Merge branch 'integration' into develop