various fixes
fix doc
Merge pull request #240 from will123195/3.0

3.0
remove history.js submodule
add history.js submodule
Merge pull request #241 from will123195/3.0

try fixing history.js submodule
remove history.js
add history.js submodule
fix submodule
fix
add submodule
unregister
add submodule
sample dev site index.php
unregister
Merge pull request #242 from will123195/3.0

3.0
add new history.js submodule
update submodule
updated history.js to v1.8
Merge pull request #243 from will123195/3.0

history.js submodule