Check for mcp dir or zip on install
Use correct Optifine lib name.
Use client.md5 from clean 1.8 decompile
Getting near Pre1.
Fix installer
Support cmdline arg to skip optifine merge on install
Start port to Optifine 1.8 HD U B2. Boy do we need the smooth chunk loading...
1.8 json updated with Optifine B2