Bug Fixes (#23)

* -DHAVE_GETTID should only be added the FMS build cppdefs when on Gaea.

* fixing intel.mk

* loading python causes problems in gnu.mk and intel.mk because nc-config --libs is no longer blank.  And fixing error in intel.mk and gnu.mk

* update use yaml functionality in COMPILE and MAKE_libFMS so that building FMS without the -Duse_yaml flag is the defualt

Update README.md