changes to point to new lscsoft namespace in git instead of old Monash one

I've updated links to all examples, etc., but the docs page (formerly monash.docs.ligo.org) has not yet been changed.

docs/basics-of-parameter-estimation.txt

@@ -81,7 +81,7 @@ The code
 
 In the following example, also available under
 `examples/other_examples/linear_regression.py
-<https://git.ligo.org/Monash/bilby/tree/master/examples/other_examples/linear_regression.py>`_
+<https://git.ligo.org/lscsoft/bilby/tree/master/examples/other_examples/linear_regression.py>`_
 we will step through the process of generating some simulated data, writing
 a likelihood and prior, and running nested sampling using `bilby`.