changes in comments
setdomain changes
fixes in chapter
Merge pull request #31 from spderosso/model

Changes to model and progress in docdomain chapter
Added more text to PostMessage section
Merge branch 'master' of https://github.com/eskang/500lines
update to sop chapter
use util/relation
simplified sop relaxation
progress in docdomain section of relaxation chapter
removed old part of setdomain in previous section
small fix
Merge pull request #32 from spderosso/model

Improvements related to the document.domain part
Expanded the explanation of JSONP
some cosmetic changes
some CORS changes
typo and grammar fix
use one star for footnote
Merge pull request #33 from spderosso/model

Some small changes