Fix some AI preferences; Implement MASSACRE gamemode

mpq/templates/templates.lst

@@ -2,4 +2,5 @@
 "Scenario(1).got"
 "Omnipresence(1).got"
 "Faction Wars(1).got"
+"Massacre(1).got"
 "Debug(1).got"

patchnotes.md

@@ -2,7 +2,10 @@
 
 ## Designer's Notes
 
-Patch goals will be here later.
+- Make inroads on PVPGN (oldschool battle.net) server support
+- Deploy more audiovisual improvements
+- Continue improving AI performance and customization
+- Make a few small and medium-sized revisions to individual units
 
 ## Latest content
 - [Ascension #7 - A Final Ascent](https://www.youtube.com/playlist?list=PLACFHAM2MlxN8pAhSHiAcq34rUfLiUpXz)
@@ -10,9 +13,17 @@ Patch goals will be here later.
 
 Patch summary will be here later.
 
+## Game Modes
+- NEW: Massacre
+	- Earn 1 vespene gas from any units created or killed
+	- Vespene nodes are destroyed on map start
+	- Commissioned by Btyb!
+
 ## Bugfixes
 - Audiovisual:
 	- Corrected tooltip for Talos Fusion Sealers
+- AI:
+	- Fixed preferences for Pazuzu, Zealot, and Dracadin (r. Baelethal)
 
 ## Audiovisuals
 - Updated weapon SFX for: