Pool settings: do not autoremove invalid entry
Paste services: allow to configure more paste services
Paste services settings: allow changing service order
Paste services settings: fix up/down buttons
Stikked: allow pasting to URL with self-signed certificate
Paste: convert '+' to percent enconding, Qt does not do it
Move executable to bin/
Update for v0.7.0
Fix title and icon
Windows specific tweaks