server side username sanitization

for OpenSourceFieldlinguistics/FieldDB#1214
making emails more complex  fixes OpenSourceFieldlinguistics/FieldDaB#1215
adding lingllama rights ot future users for #1222
upping server version to 1.90
fixes #1240 making production the default for the server
Merge branch 'master' of github.com:fieldlinguist/AuthenticationWebService
removing target hostname
upping to version v1.90.2
Merge pull request #25 from cesine/master

Auth service updates v1.90