Added License section to README.md

Author: kmpeters

README.md

@@ -50,3 +50,7 @@ For more information, see:
 [Report an issue with Motor](https://github.com/epics-modules/motor/issues/new?title=%20ISSUE%20NAME%20HERE&body=**Describe%20the%20issue**%0A%0A**Steps%20to%20reproduce**%0A1.%20Step%20one%0A2.%20Step%20two%0A3.%20Step%20three%0A%0A**Expected%20behaivour**%0A%0A**Actual%20behaviour**%0A%0A**Build%20Environment**%0AArchitecture:%0AEpics%20Base%20Version:%0ADependent%20Module%20Versions:&labels=bug)  
 [Request a feature](https://github.com/epics-modules/motor/issues/new?title=%20FEATURE%20SHORT%20DESCRIPTION&body=**Feature%20Long%20Description**%0A%0A**Why%20should%20this%20be%20added?**%0A&labels=enhancement)
 
+## License
+
+motor is distributed subject to a Software License Agreement found in the file [EPICS.txt](./LICENSES/EPICS.txt) that is included with this distribution.
+