systemz: cleanup SystemZGenDisassemblerTables.inc
add XCore architecture
enable disabled archs
python: support XCore
python: fix Xcore bug
cleanup redundant headers included
Merge branch 'next' into xcore
Disassembler -> Disassembly
msvc: support XCore
java: add Xcore support
update TODO
xcore: handle details for some special tricky instructions
python & java: update constants for Xcore after the last change in the core
python: add test_xcore.py