JBIDE-13844 JarAccess should ignore .class entries in jar files

.class entries are excluded from consideration.
JBIDE-13865 Class ProgressPart disposes system cursors

Removed disposing system cursors.
JBIDE-12337 - Improve UI of Runtimes dialog
Browser had no border. JBIDE-12237
JBIDE-13911 - testUnzipOperationExecuteStringString() always fails on Windows
JBIDE-13982 Fixed NPE for as-you-type EL validation for unsupported XML files