Update version to 4.3.0-RC1.

Change-Id: I7edab10307f46af4868f6057ed0ef3085eed452c
Patch installation to remove absolute paths to the build dir

Change-Id: I13f772d053e3c3f723552a384d7f2f5547f4f97b
Enable system versions of most packages

Change-Id: Id5a95c5275c76cc39641df40a0b087ffe8b846b2
Added build scripts for cray systems

Change-Id: I3f19d8e7d20cf568aa705b8f45384e80801d942c