Modernize app_skeleton example
Modernize bench-http-server's diet file
Modernize diet example + add text block example
Modernize form_interface example
Update travis to the latest DMD / DUB release
dub.json; dub.json EVERYWHERE
Fixed bench-http-request compilation and break it at 5k iteration to allow travis to test it
Now req.query and req.form use DictionaryList instead of AAs
Use unpriviledged port for example echoserver
Get ride of a deprecation warning
Added the examples to the CI. Added binaries to gitignore.
Merge pull request #552 from Geod24/add-test-travis

Add examples to Travis
Modernize http_info example
Modernize task_control example
Modernize uploader example
Modernize web example
Merge pull request #551 from nazriel/modernize-diet-examples

Modernize diet related examples
Emit idle event after Libevent2Driver.processEvents - fixes hanging tasks.

Tasks didn't run at all in applications that used only processEvents() and neither runEventLoop(), nor runEventLoopOnce().
Emit idle events also for Win32Driver.processEvents.
Fixing Path.relativeTo for directories, a Path whith endsWithSlash==true had this property stripped, when made relative to another Path.