license updates, changelog
update license.
update changelog

Signed-off-by: Suhayb El Wardany <me@suw.me>
Merge branch '1.0' into 1.1

Signed-off-by: Suhayb El Wardany <me@suw.me>

Conflicts:
	CHANGELOG.md
	composer.json
	src/Content/Content.php
	src/Content/ContentInterface.php
	src/Content/HtmlContent.php
	src/Content/MarkdownContent.php
	src/Content/StringContent.php
	src/Interpreter.php
	src/Laravel/Facades/Interpreter.php
	src/Laravel/InterpretServiceProvider.php