update parent version to 4.2.0.Beta1-SNAPSHOT
check for invalid style range lengths
Revert "update f2 runtime to 2.2.1-SNAPSHOT"

This reverts commit a9cae4bc3f104b4df862981d6ce5107350017652.
Revert "update aesh dependency to 0.51-SNAPSHOT"

This reverts commit da6978c924c1e216a1f9df92386fd4c928f8e033.
update f2 runtime to 2.3.0 and aesh runtime to 0.51
update parent to 4.2.0.Beta2-SNAPSHOT
fix failing AbstractConsoleTest
replace use of deprecated getRootDirectory() method
organize imports
move DelegatintStyleRange to package org.jboss.tools.aesh.ui.internal.document
only export package org.jboss.tools.aesh.ui.view