Fixing --target=parse on nqp

Was working fine on rakudo
Merge pull request #168 from cognominal/master

Fixing --target=parse on nqp
map nqp::execname and bump moar revision
Add write barrier to JVM push ops

This was done on moarvm a while back, and fixes a precompilation issue.
Serialize CStruct on parrot
Fix memory corruption on CArray resize
Merge remote-tracking branch 'origin/master' into lexopts