Deployment: fixed visualization of purge
FtpServer, SshServer: fixed getDir() for root / [Closes #44]
options 'log', 'colors' and 'tempdir' must be defined out of any section, because they are global options (BC break)
deployment.php: options `purge, before, after` are split by lines (BC break)
Deployment: during deployment creates on server file .htdeployment.running [Closes #1]
Deployment: refactoring, added runJobs()
Deployment: more robust checking for errors in before and after jobs
Deployment: before and after jobs can be system commands (with prefix 'local:'). These commands in before-jobs are executed before others. [Closes #41]
Deployment: before and after jobs can be remote commands (with prefix 'remote:') [Closes #43]
deployment.php: refactoring to class Runner
moved to namespace Deployment (BC break)