FtpServer: better checking for file & dir existence [Closes #42]
Logger: displays only first line of output, rest is logged
deployment.php: errors are printed in red; complete exception stack trace is logged
FtpServer: improved purge(), renames directories before they are purged [Closes #40]
Server: renamed rename() to renameFile()
Server::getDir trims trailing slash
Deployment: better visualization of purge
Deployment: refactoring, added runJobs()
Deployment: more robust checking for errors in before and after jobs
deployment.php: options `purge, before, after` are split by lines (BC break)
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]
options 'log', 'colors' and 'tempdir' must be defined out of any section, because they are global options (BC break)
deployment.php: refactoring to class Runner
moved to namespace Deployment (BC break)