XNAT-1071 Added ability to find study in prearchive.

config/xnat-conf.properties

...java/org/nrg/xnat/helpers/prearchive/DatabaseSession.java

.../java/org/nrg/xnat/helpers/prearchive/PrearcDatabase.java

...ain/java/org/nrg/xnat/helpers/prearchive/PrearcUtils.java

...t/restlet/resources/prearchive/PrearcSessionResource.java

.../java/org/nrg/xnat/turbine/modules/actions/FindStudy.java

...org/nrg/xnat/turbine/modules/actions/XDATForgotLogin.java

.../org/nrg/xnat/turbine/modules/screens/FindStudyMatch.java

...ava/org/nrg/xnat/turbine/modules/screens/ForgotLogin.java

...rg/nrg/xnat/turbine/modules/screens/XDATScreen_email.java

...main/webapp/scripts/prearchive/PrearchiveFound_actions.js

src/main/webapp/xnat-templates/screens/FindStudyMatch.vm

...n/webapp/xnat-templates/screens/XDATScreen_prearchives.vm