GitLab

this only accidentally worked before

* Remove useless explicitly specified link/include directories
* Don't pass -s or -pie to the linker as they aren't needed

(also what the fuck is that code)

fixes #899

fixes #1083 (there was a chance an encrypted KEY1 command could be interpreted as something else and fuck things up)

Turns out my system was affected by a bug with modifier remapping in
macOS causing some of my left/right modifiers to be swapped. This commit
fixes them to be the correct values.