Added default fixtures for celltypes
Added default fixtures for celltypes

cellcounter/cellcounter,cellcounter/cellcounter,haematologic/cellcountr,oghm2/hackdayoxford,oghm2/hackdayoxford,haematologic/cellcountr,haematologic/cellcounter,cellcounter/cellcounter,haematologic/cellcounter,haematologic/cellcounter,cellcounter/cellcounter