libsyntax: don't parse ////, /***/ as doc comments
made licenseck.py work for year substitutions
Remove DVec from syntax::parse
Remove DVec from check_const
Remove DVec from json
Remove DVec from workcache
stop zeroing all exchange allocations
rm unused zero param in C++ exchange allocator
Remove all final references to die!
fix bug in uv_ll tests uncovered by not zeroing
get rid of unused exchange_alloc calloc method

this isn't actually calloc - it calls the malloc wrapper which no
longer zeroes
rm the unused calloc wrapper from memory_region

it doesn't actually call calloc, so it's fairly pointless
Convert all uses of vec::slice to vec::view Issue #3869
Rename const_view to const_slice
Renamed mut_view to mut_slice
Update manpage based on current usage message
remove die definition and use in doc tests
core: Clean up XXXes
Moved numeric string conversion functions into own module
libcore: Remove ptr::mut_addr_of since &mut is coerced to *mut
libcore: replace mut_addr_of properly on mac
Added NumStrConv trait and impls for the string conversion functions