1. Fixed: Marathon unable to recognize components that appear with a …

…delay.

   Ref: https://groups.google.com/d/topic/marathon-testing/-yMWeCeXnMY/discussion

1. Fixed an exception (Unknown method) thrown by window_chaned.

ChangeLog updated

ChangeLog updated

Fixed UTs - default-omap-configuration.yaml.

Updated: ChangeLog and version number

Fixed: UT failure in ObjectMapConfiguration.java because of adding ac…

…cessibleName.

Updated: Version changed to 3.1

Updated ChangeLog

Release 3.0b2