Lithuanian translation
Changed suggested naming for guide translations to use -
Fixed arguments order in RBAC guide
added docs about array attributes to the guide

fixes #3302
typo
Fixes #3298: Supported configuring `View::theme` using a class name
note in migration docs about additional custom options
Merge pull request #3304 from Ragazzo/migration_command_docs_added

migration docs adjusted
improved apidoc property detection

do not allow empty property name
fixes #3297
defer loading of search index in api doc

fixes #3289
removed obsolete internal docs
added docs about build automation tool

fixes #2852
Search model not required anymore in crud generator
Finished behavior guide [skip ci]
updated outdated read me.
typo [skip ci]
Reformating code. Removed \t signs, using spaces. Edited Changelog.
Fixes #3315: added new PHP features reading list to upgrading from 1.1 guide
typos

[ci skip]
minor doc update. [skip ci]