[rfc][icedtea-web][policyeditor] PolicyEditor Help Menu Dialog

[Lukasz Dracz]

Hello,

I have been working with Andrew A on a patch that adds an Help Menu to PolicyEditor and two menu items that spawn dialogs (about,help).
2014-07-18  Andrew Azores  <aazores at redhat.com>
            Lukasz Dracz  <ldracz at redhat.com>

    * netx/net/sourceforge/jnlp/resources/Messages.properties
    (PEHelpMenu, PEAboutPolicyEditorItem, PEPolicyEditorHelpItem,
    PEAboutDialogTitle, PEAboutDialogContent, PEHelpDialogTitle,
    PEHelpDialogContent, PEHelpMenuMnemonic, PEAboutPolicyEditorItemMnemonic,
    PEPolicyEditorHelpItemMnemonic, PEAboutPolicyEditorCloseAccelerator):added
    * netx/net/sourceforge/jnlp/security/policyeditor/PolicyEditor.java
    (policyEditorHelpButtonAction, aboutPolicyEditorButtonAction): added and used 
    to open dialogs
    (helpMenu, aboutPolicyEditorItem, policyEditorHelpItem): added
    * netx/net/sourceforge/jnlp/security/policyeditor/PolicyEditorAboutDialog.java
    Implements a frame that uses a textpane which takes html within a scrollpane
    to show dialogs in.
    (close, setupLayout): added
    (CloseKeyListener): added class

Thank you,
Lukasz Dracz