Update homepage (composer.json)
Require noiselabs/smarty instead of smarty/smarty
travis.yml: remove php-5.3.3, add symfony-2.3 and symfony-2.4
Add a Bitdeli Badge to README
Upgrade copyright year
Merge remote-tracking branch 'noiselabs/master' into develop

Conflicts:
	README.md
Add support for Expressions within templates
Fix render method to allow different strategies other than ESI
Fix #34 render tag always assumes the passed string is a controller
Merge pull request #37 from mlabrum/expression

Add support for Expressions within templates
Merge pull request #38 from mlabrum/fixfragmentstrategy

Fix render method to allow different strategies other than ESI
Merge pull request #39 from mlabrum/fixrenderurihandling

Fix #34 render tag always assumes the passed string is a controller
Merge branch 'master' into develop
Provide a modifier example to the asset extension
Add documentation for the Expression extension
Revert to smarty/smarty instead of noiselabs/smarty
Fix #40 Invalid format for plugins_dir

Configuration now supports an array of plugin_dirs and the default
behaviour is to add directories without erasing the default plugins_dir
setting.
The default template_dir is also kept, by replacing setTemplateDir()
with addTemplateDir() in SmartyEngine.
Merge branch 'master' into form-extension