Added capsule manager for Queue.
Fixed potential logical issues
Cleanup use statements
Overwrite bound() method in Application.
Merge pull request #3496 from crynobone/feature/putenv

Allow environment variables to be accessed via `getenv()` function.
Merge pull request #3500 from franzliedke/patch-1

Overwrite bound() method in Application.
Merge pull request #3495 from GrahamCampbell/minor-fixes

Minor Fixes
Revert bound change.
Fix conflicts.
Added php 5.6 to travis
WhoopsDisplayer and PlainDisplayer should honor the HttpException's headers
Merge pull request #3520 from GrahamCampbell/travis

Added PHP 5.6 To Travis
Merge pull request #3521 from sirbarrence/displayers-ignore-headers

exception displayers should not ignore custom headers
Fix spacing.
add getters for Blade's contentTags and escapedContentTags
Merge pull request #3535 from blazeworx/get-content-tags

[Proposal] add getters for Blade's contentTags and escapedContentTags
Fixed composer versions
Blank line at eof
Merge pull request #3540 from GrahamCampbell/eof

A Few Trivial EOF Tweaks
Merge pull request #3539 from GrahamCampbell/composer

Minor Composer Tweak