Fixing minor typo reverting years in header
Using Util#isDigit instead of local method.
Reported by: @jurchiks

Reviewed by: Zoey76, !UnAfraid

	* Changed admin command //help with //html.
	* rework admin command //reload.
	* Added new command //loadhtml that reloads html and shows it.
	Patch by: Nos
	Reviewed by: Adry_85, UnAfraid, Zoey76

	* Comment fixes will be done later.
	* This is done so new patches won't be so large due new Eclipse settings on save.

	* Proper GPLv3 license.
	* Updated all Java DP files.
	* Added missing license to the following files:
		* !FirstClassTransferTalk
		* !AdminInstanceZone
	* Updated Eclipse preferences for new files (header).
		* ''Same'' settings as Core.

	* Closing #5304

BETA: Fix for NumberFormatException in AdminAnnouncements, FullMetal for report and first implementation.
	* Even when try-catch may be faster, we need our users to know where they mistaken sending a message with some info.
	* Closing #6176

 * Added support for command //critannounce (with a config for add sender name before the announce).
 * Added support for critannounces.txt, show critical announces on char login (Can be managed via admin panel).
 * Added support for critical announces on auto_announces table (Can be managed via admin panel).

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