updating build script to work without sed -r
adding LDAP authentication mechanism (issues #44)

creates users on first login
adding option to disable signup (#44)

updating login error handling to display config error message
adding hard block for disabled signup (#44)
cleaning up some duplicate code
Merge pull request #51 from monitorjbl/ldap-integration

Ldap integration for signin
Merge pull request #38 from monitorjbl/master

updating build script to work without sed -r
executing sed with args compatible with osx
adding embedded solr option (#9)

adding basic embedded solr test home dir

cleaning up loggingoutput for embedded solr

making SolrTestCase abstract
switching to depend on hibernate cache for bulk find
adding question suggestion on create (#45)
excluding extraneous solr dependencies

using main version of solr for tests
moving ajax search to JSP fragment

adding questionSuggest tag for reusability