hg: jmc/jmc: JMC-6211: Restore Defaults button doesn't revert username and password in Preferences

[jmatsuok at redhat.com]

Changeset: 5b9d72265772
Author:    jmatsuoka <jmatsuok at redhat.com>
Date:      2019-03-26 14:11 -0400
URL:       http://hg.openjdk.java.net/jmc/jmc/rev/5b9d72265772

JMC-6211: Restore Defaults button doesn't revert username and password in Preferences
Summary: Reset mail server user credentials to blank values when reverting to defaults
Reviewed-by: hirt
Contributed-by: Elliott Baron <ebaron at redhat.com>

! application/org.openjdk.jmc.console.ui/META-INF/MANIFEST.MF
! application/org.openjdk.jmc.console.ui/src/main/java/org/openjdk/jmc/console/ui/preferences/CommunicationPage.java
! application/org.openjdk.jmc.rjmx/META-INF/MANIFEST.MF
! application/uitests/org.openjdk.jmc.console.uitest/META-INF/MANIFEST.MF
+ application/uitests/org.openjdk.jmc.console.uitest/src/test/java/org/openjdk/jmc/console/uitest/ConsolePreferencesTest.java
! application/uitests/org.openjdk.jmc.test.jemmy/src/test/java/org/openjdk/jmc/test/jemmy/misc/wrappers/MCDialog.java