Merge pull request #560 from NEKOGET/1.7/develop

add intelliJ project file
updated the warning of using find() without arguments
fixed incorrect definition of the load() method $file parameter
documented the file search order the finder uses to locate files
corrected auth/opauth example docs, remove validation rules from removed form fields
updated nestedsets model path() method
documented the $config parameter of Fieldset::forge()
documented the dump_tree() path parameter
updated Viewmodel docs
documented viewmodel support for Theme
Updating the docs to reflect changes to the ORM Model_Soft addition of purge function.
Merge pull request #565 from craighooghiem/1.7/develop

Updating the docs to reflect changes to the ORM Model_Soft addition of p...