Added methods to delete well and plate genotyping data.

No user interface yet.
Merge branch 'devel' into david_misc
cleanup LIMS2::Test module, make is specifically set role to lims2_test as a sanity check
remove hard coded version specification in file, must have been added by accident
remove ddl files dealing with the old role structure, just leave the versions information
Corrected a test for summaries reporting
Error message provided when uploading a plate with missing column names.
Updated plate upload template files.
Merge branch 'devel' of github.com:htgt/LIMS2-WebApp into devel
Merge branch 'david_misc' into devel
Merge branch 'devel' of github.com:htgt/LIMS2-WebApp into devel
Merge branch 'master' into devel
Plate upload templates updated. Error message when column header is missing.
v0.099

    Plate upload templates updated. Error message when column header is missing.