Prepare for release

gradle.properties

@@ -1,3 +1,3 @@
 groupid=ch.njol
 name=skript
-version=2.4-alpha1
+version=2.4-alpha2

src/main/java/ch/njol/skript/conditions/CondIsBlock.java

@@ -30,7 +30,7 @@
 @Name("Is Block")
 @Description("Checks whether an item is a block.")
 @Examples({"player's held item is a block", "{list::*} are blocks"})
-@Since("INSERT VERSION")
+@Since("2.4")
 public class CondIsBlock extends PropertyCondition<ItemStack> {
 
 	static {

src/main/java/ch/njol/skript/effects/EffScriptFile.java

@@ -44,7 +44,7 @@
 @Examples({"reload script \"test\"",
 			"enable script file \"testing\"",
 			"unload script file \"script.sk\""})
-@Since("INSERT VERSION")
+@Since("2.4")
 public class EffScriptFile extends Effect {
 	static {
 		Skript.registerEffect(EffScriptFile.class, "(1¦enable|1¦load|2¦reload|3¦disable|3¦unload) s(c|k)ript [file] %string%");

src/main/java/ch/njol/skript/expressions/ExprDrops.java

@@ -56,7 +56,7 @@
 		"In break events, drops can only be cleared, and is only available in 1.12+")
 @Examples({"clear drops",
 		"remove 4 planks from the drops", "on break of diamond ore:", "\tclear drops"})
-@Since("1.0, INSERT VERSION (block break event drops)")
+@Since("1.0, 2.4 (block break event drops)")
 @Events("break / mine, death")
 public class ExprDrops extends SimpleExpression<ItemStack> {
 	static {

src/main/java/ch/njol/skript/expressions/ExprPlayerlistHeaderFooter.java

@@ -45,7 +45,7 @@
 @Examples({"set all players tab list header to \"Welcome to the Server!\"",
 			"send \"%the player's tab list header%\" to player",
 			"reset all player's tab list header"})
-@Since("INSERT VERSION")
+@Since("2.4")
 @RequiredPlugins("Spigot 1.13 or newer")
 public class ExprPlayerlistHeaderFooter extends PropertyExpression<Player, String> {