Added snippets for common Velocity directives.

lib/ace/snippets/velocity.snippets

@@ -0,0 +1,28 @@
+# macro
+snippet #macro
+	#macro ( ${1:macroName} ${2:\$var1, [\$var2, ...]} )
+		${3:## macro code}
+	#end
+# foreach
+snippet #foreach
+	#foreach ( ${1:\$item} in ${2:\$collection} )
+		${3:## foreach code}
+	#end
+# if
+snippet #if
+	#if ( ${1:true} )
+		${0}
+	#end
+# if ... else
+snippet #ife
+	#if ( ${1:true} )
+		${2}
+	#else
+		${0}
+	#end
+#import
+snippet #import
+	#import ( "${1:path/to/velocity/format}" )
+# set
+snippet #set
+	#set ( $${1:var} = ${0} )