add support for demangling c++ identifiers
change default templates
Fix a bug where we weren't correctly detecting compiler errors if we were demangling or showing encodings
fix a typo in the template
remove comment about debug info from readme. most of the time it just makes the code unreadable
allow users to turn off verbose asm and remove -fomit-frame-pointer from the flags (it wasn't configurable, and its on anyway at higher -O levels
remove x86intrin.h from the default template