Builds for repo openSUSE_Factory

{"approve": "version update 5.10 -> 5.11 covered by ldb"}

Please review sources

Ok - I've send some comments to Jürgen offline for the next time

Ok - I've send some comments to Jürgen offline for the next time

- retrying sr#110452, sr#141518, so that we can finally close bnc#736064
- merged a commit that was only made to o:F

- Reverted to version 5.11 -- the 5.11.1 tarball was missing.

- Version 5.11.1 from savannah
- Add libftdi1-devel to BuildRequires to support additional
programmers.

- don't use download_files service - it breaks all the time
- remove builddate from binary to avoid unnecessary republising

- Version 5.11 from savannah

- https://savannah.nongnu.org/patch/?7559
DTR/RTS twiddling didn't match the Arduino 'auto-reset' hardware
for the programmer type 'arduino'