fixing relationship between imodUser and imod
documenting which IMOD attributes are requires

and which ones are optional
fixing database contraint error triggered on user creation
running the bootstrap is now part of testing
adding postgres setup for testing
updating postgres and mail plugins
generating and linking a new imod to current user
notes regarding noTomcat check in build configuration
Merge pull request #93 from IMOD-ASU/fix-imod-creation

Fixing IMOD creation