Merge remote-tracking branch 'origin/SkyPHP3'
allow order by random()
Merge remote-tracking branch 'refs/remotes/upstream/3.0-beta' into 3.0
oauth fix for 3.0
Merge pull request #251 from will123195/3.0

oauth fix
php 5.4 compat
remove old doc
Merge pull request #252 from will123195/3.0

php 5.4 compat
oauth fix for 3.0
php 5.4 compat
remove old doc
reset aql::errors when starting new transaction
Merge pull request #253 from will123195/3.0

transaction fix
fix
Merge pull request #254 from will123195/3.0

fix
remove viewport meta tag from html5 template
ability to customize viewport
Merge pull request #255 from will123195/3.0

ability to set the viewport in html5 template
html5 validation fix
Merge pull request #257 from will123195/3.0

html5 validation fix