fixed README

Author: corbinq

README.md

@@ -102,19 +102,19 @@ Statistical methods implemented in GAMBIT:
 
 ## Software References
 
-Libraries and resources used or adapted in GAMBIT:<br/>
-**PDF, CDF, and quantile functions** <br/>
-- [ROOT system library, CERN](https://root.cern.ch/)
-- [CDFLIB, Brown et al.](https://people.sc.fsu.edu/~jburkardt/cpp_src/cdflib/cdflib.html)
-- [eigenmvn, Benazera et al.](https://github.com/beniz/eigenmvn)
-- [libMvtnorm, Zhan et al.](https://github.com/zhanxw/libMvtnorm)
-**Hopscotch hashing** <br/>
-- [tsl library, Tessil et al.](https://github.com/Tessil/hopscotch-map)
-**Tabix and HTSLIB** <br/>
-- [tabixpp, ekg et al.](https://github.com/ekg/tabixpp)
-- [htslib, samtools team](https://github.com/samtools/htslib)
-**Matrix libraries** <br/>
-- [Eigen matrix library](http://eigen.tuxfamily.org)
+Libraries and resources used or adapted in GAMBIT:
+- **PDF, CDF, and quantile functions** 
+  - [ROOT system library, CERN](https://root.cern.ch/)
+  - [CDFLIB, Brown et al.](https://people.sc.fsu.edu/~jburkardt/cpp_src/cdflib/cdflib.html)
+  - [eigenmvn, Benazera et al.](https://github.com/beniz/eigenmvn)
+  - [libMvtnorm, Zhan et al.](https://github.com/zhanxw/libMvtnorm)
+- **Hopscotch hashing** 
+  - [tsl library, Tessil et al.](https://github.com/Tessil/hopscotch-map)
+- **Tabix and HTSLIB**
+  - [tabixpp, ekg et al.](https://github.com/ekg/tabixpp)
+  - [htslib, samtools team](https://github.com/samtools/htslib)
+- **Matrix libraries** 
+  - [Eigen matrix library](http://eigen.tuxfamily.org)
 
 ## Feedback and bug reports