updated monolog bridge dependency
Merge pull request #31 from bamarni/patch-1

restricted monolog bridge dependency for 2.1 branch
[SwiftMailerHandler] Fixed 'method' option name under email_prototype
Merge pull request #38 from pborreli/2.1-proto

[SwiftMailerHandler] Fixed 'method' option name under email_prototype
Merge remote-tracking branch 'origin/2.1'

Conflicts:
	composer.json