[MSHARED-660] Upgrade to asm 6.0 for JDK9
Change version to Opcodes.ASM6
Ignore class files with a hyphen

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1812729 13f79535-47bb-0310-9956-ffa450edef68
7 files changed