breakout gmlevel into a scoped enum (#996)

* breakout gmlevel enum and make it a class
tested that things still work
slash command,
chat restrictions,
packets and serializations

* fix GM level for some slash commands

* fix new use of this enum

dGame/dComponents/CharacterComponent.h

@@ -178,7 +178,7 @@ public:
 	 * Sets the GM level of the character, should be called in the entity. Here it's set for serialization
 	 * @param gmlevel the gm level to set
 	 */
-	void SetGMLevel(int gmlevel);
+	void SetGMLevel(eGameMasterLevel gmlevel);
 
 	/**
 	 * Initializes the player statistics from the string stored in the XML
@@ -333,7 +333,7 @@ private:
 	/**
 	 * The current GM level of this character (anything > 0 counts as a GM)
 	 */
-	unsigned char m_GMLevel;
+	eGameMasterLevel m_GMLevel;
 
 	/**
 	 * Whether the character has HF enabled
@@ -343,7 +343,7 @@ private:
 	/**
 	 * The level of the character in HF
 	 */
-	unsigned char m_EditorLevel;
+	eGameMasterLevel m_EditorLevel;
 
 	/**
 	 * Whether the currently active activity has been changed