Add CrashReportCategory for diff visibility
Forge: Fix AIOOB in crash report stack trimming.

MinecraftForge/MinecraftForge@560931a14a325e0f76be09fbbe11c97d5b1d7461
Revert "Fix AIOOB in crash report stack trimming." Attempt at fixing #763.

This reverts commit d157a1eaac198075eef42a34b74eb639d5ab4112.