Merge remote-tracking branch 'origin/SkyPHP3'
Merge pull request #238 from will123195/3.0

3.0
Merge pull request #239 from will123195/3.0

better db error messages
Merge pull request #240 from will123195/3.0

3.0
Merge pull request #241 from will123195/3.0

try fixing history.js submodule
Merge pull request #242 from will123195/3.0

3.0
Merge pull request #243 from will123195/3.0

history.js submodule
Merge pull request #244 from will123195/3.0

test auto clone
Merge pull request #245 from will123195/3.0

test
Merge pull request #246 from will123195/3.0

auto-compile LESS
Merge pull request #247 from will123195/3.0

3.0
Merge remote-tracking branch 'refs/remotes/upstream/3.0-beta' into 3.0
added jquery migrate
oauth fix for 3.0
Merge pull request #251 from will123195/3.0

oauth fix
php 5.4 compat
no message
remove old doc
Merge pull request #252 from will123195/3.0

php 5.4 compat
Merge pull request #253 from will123195/3.0

transaction fix