add eq to grin node analyze type
add eq to grin node analyze type

Ignore-this: 1d32b1c2152908ff8613b0bc50701cd3

darcs-hash:20120118055621-1a7c6-1fa7f6e4d593aa36b1e364129de73cd760fff45f

jimcrayne/jhc,jimcrayne/jhc,jimcrayne/jhc,jimcrayne/jhc