Set always on top on drop down
Set width to primary monitor
fix main variable to main_window
Update URL matching pattern (fix #204)

This fine pattern is originally from Bert Münnich's url-select extension
for the rxvt-unicode terminal emulator, from his urxvt-perls project.
Add the HVP control sequence, handle it identically as the CUP control sequence
Add Fedora Copr to README
Merge branch 'master' of https://github.com/DrRataplan/finalterm
Update about dialog credits
Merge pull request #287 from ai/corp

Add Fedora Corp to README
Merge branch 'master' of https://github.com/mola/finalterm
Small fixes in dropdown code; update about dialog credits