rework building from openrpt static and dynamic libraries - only one name for openrpt common lib
simplify - just use openrpt shared libraries
consolidate extension handling
Merge pull request #9 from gilmoskowitz/dynamicOpenRPT

always use openrpt shared libraries
update to 0.5.0
turn off shared library building on windows
Merge pull request #10 from gpazo/bump050

update to 0.5.0
Merge pull request #13 from xtuple/windowsStaticTemp

turn off shared library building on windows