Removed quote conversion to entity inside content

Encoding quotes inside element contents may be not necessary
Test enc output rule
Merge remote-tracking branch 'origin/patch-1' into patch-2
Added a test for 8785fc5775df52dd4a6b63677ebd08f8301ffdcc
escaping attributes in a different way
tests and html5 standards
Tests and code style + nbsp handling
Fixed tests on Windows: changed "\n" -> PHP_EOL

New lines are represented by "\r\n" characters on Windows
so tests relying on "\n" are failing.
Removed trailing whitespace
Fixed infinite loop for char "&" in unquoted attribute
Fix for #25: Handle missing tag close in attribute list.
Merge branch 'master' of github.com:Masterminds/html5-php
Merge pull request #28 from miso-belica/fix-infinite-cycle

Fixed infinite loop for char "&" in unquoted attribute
Merge pull request #27 from miso-belica/fix-win-eol-tests

Fixed tests on Windows: changed "\n" -> PHP_EOL
Added miso-belica to the CREDITS file.
Merge pull request #25 from goetas/patch-2

Removed quote conversion to entity inside content
Updated the text escaping and added some separation between escaping and converting named character references.
Updated the changelog.
Updated the changelog for a release.