New features

Bugfixes

Fix initial state of speed sliders (#1286)
Zoom level is now correctly saved and restored again (#584)
Small improvements to the crash restoring mechanism which would occasionally not manage to reload after a crash
Fix that the start and end triggers were not triggable (#1088 and a few others)
Fix video packets not being released with libav
Fix to the usage of number of channels for ALSA
Various fixes for the Raspberry build: fix that opengl was broken, fix joystick support
ISF, JS: fix that controls were not kept when editing a script live
Many LV2 fixes to make the B.Oops, B.Sequencer plug-ins work, thanks to help from their author @sjaehn :D
Timing fix for VST, PPQ was not in the right unit which made plug-ins such as Glitch too fast.