Improve app hosting management app, restructure UI and refactor REST services and data model to use an SQL database.

git-svn-id: https://svn.apache.org/repos/asf/tuscany/sca-cpp/trunk@1428193 13f79535-47bb-0310-9956-ffa450edef68
Minor changes to server config scripts to get auth and session management to behave the same with or without a proxy.

git-svn-id: https://svn.apache.org/repos/asf/tuscany/sca-cpp/trunk@1428194 13f79535-47bb-0310-9956-ffa450edef68
Update build and install scripts to use the correct dependencies.

git-svn-id: https://svn.apache.org/repos/asf/tuscany/sca-cpp/trunk@1428195 13f79535-47bb-0310-9956-ffa450edef68
Refactoring, rename isNil to isNull.

git-svn-id: https://svn.apache.org/repos/asf/tuscany/sca-cpp/trunk@1428206 13f79535-47bb-0310-9956-ffa450edef68