Travis Releases Dryrun

v0.3.0rc2

travis: fixup deploy script a bit more

GPG Support

travis: on windows platform static compile

So that users will not have to install MSVC or similar. Kindly taken
from: https://www.jonstites.com/2019/02/17/rust-cross-compiling/

other fixes:
* actually pin to cross 0.1.16
* install and use upx for smaller executables

v0.2.0

gitattributes to not mangle test files (on windows)