Fix typo and use code font
Merge pull request #18 from jwakely/2218

Fix typo and use code font
New issue from Sergey Zubkov in regard to stringbuf::underflow
Add new issue from Howard in regard to exception safety of optional's copy assignment op.
Improve P/R wording as of authors request
Final form for 2013 pre-Chicago mailing
Update metadata for new lists
mend
New issue from Daniel in regard to shared mutex req. inconsistencies
New issue about insufficient constexpr guarantees of defaulted functions
P/R from Nico added
New issue from Daniel to improve sfinae wording for type traits
New issue from Zhihao Yuan about hash sensitivity to DoS attacks
New issue from Jeffrey to improve the existing "shall not participate in overload resolution" wording
New issue from Juan Soulie about incorrect facet usage
New issue from Pete in regard to abs overloads in <cmath> and <cstdlib>
Move issues to voting status
New issue from Juan Soulie about locale construction from Facet
Add new issue from Daryle to ensure that std::addressof becomes a constexpr function
Mark LWG 2232 as US 19