Adds priv qualifiers where they have been commented out before implementation.

Updates #4386.
allow logical negation operator (!) to be overloaded
test: add test for overloading logical negation operator
Long lines
libsyntax: Fix name generation in condition! macro
support clang 3.2
Merge pull request #4453 from crabtw/clang3.2

support clang 3.2
Merge pull request #4452 from apasel422/cond-macro-fix

libsyntax: Fix name generation in condition! macro
Merge pull request #4445 from apasel422/notop

Allow logical negation operator (!) to be overloaded
Merge pull request #4443 from wting/4386_add_privs

Adds priv qualifiers where they have been commented out before implementation.
Add William Ting to AUTHORS
libstd: "target_os = win32", not "target_os = windows". rs=bustage