Inside root install requires packages and core paths on index.php
Merge pull request #609 from jmmendivil/1.8/develop

Inside root install requires change packages (PKGPATH) and core path (COREPATH) too
added new link_offset to the pagination docs
Update classes/model_crud/methods.html
better explanation of Pagination link_offset
Merge pull request #610 from shinagaki/fix_modelcrud

Update classes/model_crud/methods.html
本家変更分をmerge