More partials
Merge pull request #568 from sagikazarmark/1.7/develop

More partials
corrected the required PHP version
updated instructions for installing FuelPHP inside a docroot

and/or alongside other applications
added options to redirect or hide foldernames with installing in the docroot
fixed namespace typo, added some clarification to using namespaced controllers
fixed example code in Model_Crud introduction
Clarified the use of the "new_name" Upload config key
Merge pull request #570 from indigofeather/1.7/develop

fixed example code in Model_Crud introduction
updated asset docs to include the new inline feature
fixed typo in observer docs
本家 1.7/develop 変更内容をmerge
explained the use of DB::expr() when using literals in a join
Updates develop branch version number.
is_frozen() doesn't exists, corrected to frozen()
Merge pull request #571 from Art4/1.7/develop

is_frozen() doesn't exists, corrected to frozen()
documented Input::patch()
second parameter of Config::save() is not optional
clarified the difference between PUT and PATCH;added a note that all HTTP methods are supported
本家 1.7/develop 変更内容をmerge