JBIDE-18512 - Revert "JBIDE-17164 - restricting possible rse systems to systems we approve of"

This reverts commit 3d1f05cfcf71c6dfb641b434d826fb5237244bae.
JBIDE-18457 - prefer closest java if strictly-compatible is not available

JBIDE-18457 - null check added for vminstall objects with a null java version

JBIDE-18457 - illegal arg catching to ignore from sorted list

JBIDE-18457 - you and your stupid lists