0. USED TERMS
MOD - modification, plugin, addon: a piece of software that interfaces with Minecraft to extend, add, change or remove original capabilities.
OWNER - original author(s) of the MOD (in this case Jagm, http://minecraft.curseforge.com/members/Jagm_11). Under the copyright terms accepted when purchasing Minecraft (http://www.minecraft.net/copyright.jsp) the OWNER has full rights over their MOD despite use of Mojang AB code.
USER - End user of the MOD, person installing the MOD.

1. LIABILITY
This mod is provided "as is" with NO WARRANTIES, IMPLIED OR OTHERWISE. The owner takes NO RESPONSIBILITY FOR ANY DAMAGES INCURRED from the use of this mod. This mod alters fundamental parts of the Minecraft game. Parts of Minecraft may not work with this mod installed. All damages caused from the use or misuse of this mod fall on the user.

2. USE
Use of this mod to be installed, manually or automatically, is given to the user without restriction.

3. REDISTRIBUTION
This mod may only be distributed:
i. where uploaded, mirrored, or otherwise linked to by the owner solely.
ii. where mirrored with advanced written permission from the owner.
iii. through non-profit private or public mod packs unless the owner requests for the mod to be removed from the pack.
ANY attempts to make money from the redistribution of this mod (selling, selling modified versions, adfly, sharecash, etc.) are STRICTLY FORBIDDEN, and the owner may claim damages or take other action to rectify the situation.

4. DERIVATIVE WORKS AND MODIFICATION
This mod is provided freely and may be decompiled and modified for private use, either with a decompiler or a bytecode editor. Public distribution of modified versions of this mod or of the mod's source code requires advanced written permission from the owner and may be subject to certain terms.

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tl;dr
Yes, you may put this in your non-profit mod pack.
No, you may not redistribute this for money.

License is based on Rotten194's terms and conditions: http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1273199-to-mod-creators-copyrights