example activity data structure from v1.22 for #96 #1017
example activity data structure from v1.46 for #96 #1017
example activity data structure from v1.66 for #96 #1017 and #1124 #1398 #1258 and #83 #1076 #206 #1224
example activity data structure from v2.4 for  #96 #1017 and #1398 #1541
commonjsifcaiton of activities and activty feeds for #96 #1017  and #1124 #1398 #1258  and #83 #1076 #206 #1224  and #1398 #1541
cleaning
added more defaults for activities
adding more tests for activty feeds

creating activities from minimal objects and saving them for #96 #1017  and #1124 #1398 #1258  and #83 #1076 #206 #1224  and #1398 #1541