Merge pull request #1574 from lucianobaraglia/master

Debug tables wraps content [SKIP CI]
Mongo full text search test updated.
Update controller.md

Fixes #1577
Moved elasticsearch connect to a later pos in travis.yml

avoid failure when it is not started at that point
updated doc about using scopes.
Update collapse to use bootstrap 3 classes fixes #1459
Modify class name to a more logical one
Update changelog
fixed composer.json.
Fixes #1591: StringValidator is accessing undefined property
Fixes #1550: fixed the issue that JUI input widgets did not property input IDs.
Edited up to "operator can be..."
Fixes #1579: throw exception when the given AR relation name does not match in a case sensitive manner.
Renamed `ActiveRecord::getPopulatedRelations()` to `getRelatedRecords()`
Fixes #1582: Error messages shown via client-side validation should not be double encoded
fixes #1593: fixed typo in Nav
fixed typo
Added ActiveRecordInterface::getOldPrimaryKey().
refactored BaseActiveRecord::isPrimaryKey()
Update ActiveField.php

doc fixes
Merge pull request #1596 from futbolim/patch-1

Update ActiveField.php