Don't refuse to spesh if we've a slurpy positional
put in a missing break
can do coerce_in of literals at spesh-time.
Missing NULL check in arg guard handling.

Fixes a SEGV reported by Mouq++.
Add 2014.06 ChangeLog entries.
Fix fix a double word; timotimo++.
Fix frame handler end move in instruction deletion

Closes #104.
Fix copy-pasto in spesh graph GC marking.
Add missing marking of known value facts.
Two more ChangeLog notes.
README tweaks.
Bump VERSION.
Don't look "inside" container type objects.

Fixes various multi-cache related SEGVs when talking about Scalar.
Merge branch 'master' into moar-jit