Fix text for plugin wiki.
Merge pull request #1178 from brianpeiris/patch-1

Fix text for plugin wiki.
Fixes jrburke/r.js#714: mention parentRequire
Fixes #1199, list some options for the script tag placement.
Fixes jrburke/r.js#628 mention lint style as a mismatch error possibility
rev for 2.1.15
Merge tag '2.1.15'

Release 2.1.15