Removed trailing whitespace
Removed trailing whitespace from the form builder
Fixed the blade compile push docblocks
Fixed environment variables docblock
Fixed the manager names in the capsule docblocks
Removed a semicolon from a docblock
Merge pull request #5890 from GrahamCampbell/4.2-docblock-typo

[4.2] Removed A Semicolon From A Docblock
Merge pull request #5889 from GrahamCampbell/4.2-capsule-docblocks

[4.2] Fixed The Manager Names In Capsule Docblocks
Merge pull request #5888 from GrahamCampbell/4.2-config-env

[4.2] Fixed Environment Variables Docblock
Merge pull request #5880 from GrahamCampbell/4.2-docblocks

[4.2] Fixed BladeCompile Push Docblocks
Merge pull request #5719 from GrahamCampbell/4.2-cleanup

[4.2] Removed Trailing Whitespace
Add iterable validator method and tests

Signed-off-by: Graham Campbell <graham@mineuk.com>