Aded a patch note for relative mouse mode over RDP

Merge tag 'release-2.0.16'

audio: Fix false positives in driver name comparison

Without this change, driver names don't get matched correctly;
for example "a" can get matched with "alsa" since it only checks
whether the string matches up to the length of the requested
driver name.

rpi: env options, gravity, scale

rpi: center the window

Fixed whitespace

Backed out changeset 51622f74dc85

hidapi: Zero out new hid_device_info structs

rename os2 makefile so that 'make dist' catches it; update it a bit.

Added patch note for Android Studio support