Merge pull request scala#4509 from retronym/topic/man

Document -target:jvm-1.8 in the man page

Author: lrytz

src/manual/scala/man1/scalac.scala

@@ -152,11 +152,12 @@ object scalac extends Command {
           CmdOption("sourcepath", Argument("path")),
           "Specify location(s) of source files."),
         Definition(
-          CmdOptionBound("target:", "{jvm-1.5,jvm-1.6,jvm-1.7}"),
+          CmdOptionBound("target:", "{jvm-1.5,jvm-1.6,jvm-1.7,jvm-1.8}"),
 	  SeqPara(
             Mono("\"jvm-1.5\"") & " target JVM 1.5 (deprecated),",
             Mono("\"jvm-1.6\"") & " target JVM 1.6 (default),",
-            Mono("\"jvm-1.7\"") & " target JVM 1.7,")),
+            Mono("\"jvm-1.7\"") & " target JVM 1.7,",
+            Mono("\"jvm-1.8\"") & " target JVM 1.8,")),
         Definition(
           CmdOption("toolcp", Argument("path")),
           "Add to the runner classpath."),