Merge pull request #10 from jaredhoberock/master

Merge Artur's pull request and additional updates
Merge pull request #11 from jaredhoberock/master

Changes for Artur's review with LWG for Thursday morning
Merge pull request #12 from jaredhoberock/master

Add generated output of recent changes
Change document number to N4071
Namespace fixes:
1) Added inline namespaces (kudos to Pablo);
2) Removed namespaces from definitions (now only in synopsis)
Change "may be vectorized" to "may be vectorized and parallelized"
Additional LWG comments