Betacraft v1 LWJGL update

by Moresteck

I’ve pushed a minor LWJGL update to Betacraft v1 — it’s now built for Java 5 (yay for Windows 95-2000 players!) and allows to enable VSync in versions that don’t support it.

Add -Dlwjgl.vsync to JVM arguments and it should cap your FPS to your screen’s refresh rate. _{^{The VSync option sadly does not work on macOS due to LWJGL’s macOS implementation of AWT windows :(}}

Other changes include bumping the version from 2.9.3 to 2.9.4-nightly-20150209 (+ this fix)

I hope some of you find this update useful and helpful.