Simple multistage support
Throw exception when defining stage before servers
add support for custom cli options

Conflicts:
	src/Console/RunTaskCommand.php
Addition options only for AbstractTasks
Test addition options
Allow parameters per stage
Merge pull request #44 from slimus/master

Fix phpDoc and ask for user if it does not specified.
Merge pull request #35 from jelte/feature/multistage

Simple multistage support
Merge pull request #36 from jelte/feature/custom-options

Add support for custom cli options.
Recursive git clone for submodules
New getReleasesByTime method. Fixes cleanup bug with wrong ordening
Merge pull request #53 from willem-daems/master

Clone recursive and fix cleanup
Remove version print.
Fix include path setting for phpseclib.
Start refactoring Deployer.
Refactoring static fields ot non-static.
Fix setfacl task php 5.4 bug.
Update README.md :speech_balloon:
Update build script :eyes:
Pre release of Deployer 2.0.0.