Modify forge for old bungeecord builds

gistfile1.txt

Prep -- Clean and reset git repo...

1) Open patches/minecraft/net/minecraft/network/handshake/client/C00Handshake.java.patch
2) Modify line 35 to read this...
   +        p_148840_1_.func_180714_a(this.field_149598_b/* + "\0FML\0"*/);
3) Run this code...

export BUILD_NUMBER=#
./gradlew ciWriteBuildNumber
./gradlew build

Notes:
BUILD_NUMBER -- must be set to a build number (no suffix due to 2nd line)
src/main/java/net/minecraftforge/common/ForgeVersion.java -- buildVersion == 0 here