updated authors and removed statement about SAGD from license for rel…

…ion-4.0 release

AUTHORS

@@ -1,18 +1,18 @@
-This program is developed in the group of Sjors H.W. Scheres at the MRC Laboratory of Molecular Biology,
+This program is developed in the group of Sjors H.W. Scheres at the MRC Laboratory of Molecular Biology, with contributions from the following people to RELION-4.0:
 
 - Sjors H.W. Scheres
-- Shaoda He
+- Dari Kimanius
 - Takanori Nakane
 - Jasenko Zivanov
+- Joaquin Oton (from the Briggs group at MRC-LMB)
 - Liyi Dong
 
-and Erik Lindahl at Stockholm University.
+RELION-4.0 also contains contributions from the CCP-EM team at STFC, in particlar Matt Iadanza, Colin Palmer and Tom Burnley.
+
+Previous releases also included major contributions from the group of Erik Lindahl at SciLifeLabs, Stockholm University.
 
-- Erik Lindahl
-- Björn O. Forsberg
-- Dari Kimanius
 
-However, it does also contain pieces of code from the following packages:
+RELION also contain pieces of code from the following packages:
 
 - XMIPP by COS Sorzano et al: http:/xmipp.cnb.csic.es
 - BSOFT by Heymann JB et al: http://lsbr.niams.nih.gov/bsoft/

LICENSE

@@ -234,22 +234,6 @@ those countries, so that distribution is permitted only in or among
 countries not thus excluded.  In such case, this License incorporates
 the limitation as if written in the body of this License.
 
-This version of RELION uses a stochastic average gradient descent (SAGD) method in
-conjunction with a modulation by a contrast transfer function of the particle images
-for ab-initio single-particle reconstruction.
-
-Should you wish to use RELION with the SAGD method in conjunction with a modulation
-by a contrast transfer function of the particle images for ab-initio single-particle
-reconstruction, please note that this functionality may be covered in the USA by
-US Patent No. 10,282,513. Non-profit academic research uses of the patented IP are
-freely licensed under the terms of the license agreement available at
-https://cryosparc.com/patent-faqs.
-
-Should you wish to use RELION without modulation by a contrast transfer function of
-the particle images in the SAGD method for ab-initio single-particle reconstruction,
-you may disable this functionality using -DALLOW_CTF_IN_SAGD=OFF at the stage of
-configuration, i.e. before compilation of the code.
-
   9. The Free Software Foundation may publish revised and/or new versions
 of the General Public License from time to time.  Such new versions will
 be similar in spirit to the present version, but may differ in detail to