Added 24 successfully tested cards based on rev2243 (many thx to Zethfox!!)

This addition includes
- cards with STORM (Dragonstorm,Tendrils of Agony,etc.) --> IT'S FINALLY THERE!
- cards which restrict the casting of spells (Arcane Laboratory,Silence)
- PLATINUM ANGEL (keyword: CANTLOSE)

Added tests for STORM;LAND:number,Sneak Attack

Removed Rhox Meditant and its tests.

projects/mtg/bin/Res/test/sneak_attack.txt

@@ -0,0 +1,37 @@
+## Testing Sneak Attack (keyword: TREASON). 
+[INIT]
+FIRSTMAIN
+[PLAYER1]
+inplay:Sneak Attack
+hand:Serra Angel
+manapool:{R}
+[PLAYER2]
+life:20
+[DO]
+Sneak Attack
+Serra Angel
+next
+#combatbegins
+next
+#attackers
+Serra Angel
+next
+#blockers 
+next
+#combatdamage 2
+next
+#endofcombat 2
+next
+#secondmain
+next
+#endofturn
+next
+[ASSERT]
+CLEANUP
+[PLAYER1]
+inplay:Sneak Attack
+graveyard:Serra Angel
+manapool:{0}
+[PLAYER2]
+life:16
+[END]