Installation:
1) download the files
2) go to start and type %appdata%
3) go inside .minecraft\versions
4) create a folder call nodus
5) extract nodus.jar into the nodus folder
6) Instead of using the nodus.json file. copy paste the 1.7.2.json into the nodus folder
7) rename 1.7.2.json to nodus.json
8) edit nodus.son with notepad and find "id": "1.7.2", and change to "id": "Nodus",
9) start up minecraft and edit profile
10) use nodus and press play