Relicense to MIT; update model card

README.md

@@ -1,5 +1,5 @@
 ---
-license: cc-by-4.0
+license: mit
 library_name: bpnet
 tags:
   - bpnet
@@ -37,9 +37,9 @@ For more information about the models, see:
 - Model annotation: [ENCSR098SSC](https://www.encodeproject.org/annotations/ENCSR098SSC/)
 - Biosample: SH-SY5Y (Full name: Homo sapiens SH-SY5Y)
 - Cell slim(s): epithelial cell
-- Organ slim(s): epithelium, bone element, bone marrow
+- Organ slim(s): bone marrow, bone element, epithelium
 - Developmental slim(s): mesoderm
-- System slim(s): immune system, skeletal system
+- System slim(s): skeletal system, immune system
 - Assembly: hg38
 
 ## QC
@@ -130,8 +130,8 @@ predictions = model.predict([
 
 ## License & citation
 
-External data users may freely download, analyze and publish results based on any
-ENCODE data without restrictions.
+Released under the MIT license.
 
-Released under the ENCODE data-use policy. Please cite the ENCODE Project
-Consortium and the model software: BPNet (Avsec et al., Nat Genet 2021).
+The models are derived from ENCODE data (unrestricted use under the ENCODE
+data-use policy). Please cite the ENCODE Project Consortium and the model
+software: BPNet (Avsec et al., Nat Genet 2021).