remove find, findOrFail from model, delegate to query builder
use model->newCollection
Removed 3 unused imports
Merge pull request #4045 from GrahamCampbell/4.1-imports

[4.1] Removed 3 Unused Imports
Merge pull request #3831 from alprs/refct/find-findorfail

Remove find, findOrFail from model, delegate to query builder
Remove unused app variables from the tests
Merge pull request #4047 from GrahamCampbell/4.1-unusedapp

[4.1] [Minor] Micro-Optimisation In Tests
Make registerSwiftMailer public
Merge pull request #4056 from JosephSilber/fix-mail-protected

Make registerSwiftMailer public
Fix `count` method return value.
Return number represented as integer instead of string.
Fixes #4067.
Whitespace fix.
IDE's...
Fix indents.
Merge pull request #4070 from Feld0/4.1

Fix #4067: Acceptance validation not boolean true
Add space between type-casting operator and return value.
Merge pull request #4069 from Andreyco/4.1

Fix `count` method return value. #4.1