Adapt paths for installation as a package
Generalize directory variable semantics to use dependencies installed as system packages
Build libxtuplecommon as a shared library
Workaround for a circular dependency
reconcile xtuple internal build needs with community contributions for linux packaging
Merge remote-tracking branch 'XTUPLE/4_6_x' into pr345redux
rework building from openrpt static and dynamic libraries - only one name for openrpt common lib
simplify - always use shared openrpt shared libraries and always build shared common lib
tweak for mac builds
combine env lines so travis-ci runs one config with both, not two configs with one each
Merge remote-tracking branch 'XTUPLE/4_7_x' into pr345redux

Conflicts:
	README.md
Merge remote-tracking branch 'XTUPLE/4_7_x' into pr345redux

Conflicts:
	common/checkForUpdates.cpp
Merge pull request #434 from gilmoskowitz/pr345redux

rework use of openrpt shared libs