adding test for comparing clock resolution
testign that clocks do not go backwards
Merge pull request #1 from steinwurf/add-clock-test

Test clock behavior in chrono
simplify shared library usage on Linux
use PTHREAD and RT flags
Merge pull request #2 from steinwurf/simplify-shared-libs

Simplify shared libs on Linux
Preparing to create tag 1.1.0
Merge branch 'master' into update-to-waf-4.0.0
added new and improved waf