You could always manually put Forestry back in. It still works fine with Tekkit. Just be sure to get the craftbukkit port of Forestry and make sure it loads last by putting a letter Z in front of the file name.
Server forestry for Bukkit: https://d186ocprvpb7jc.cloudfront.net/mods/forestry-1.4.6.1-mcpc1.2.5-r7.zip
Client: http://bit.ly/KxDh4X
Make sure u put a letter Z in front of the file name! And wolla, u now have forestry :)