D-Net

All files moved to /trunk directory (improving project structure in svn).

[AdminTools]: 1. Change the way of reading properties. 2. Replace mongodb custom properties with custom on admin-tools.properties. See deployments.txt

add deployments info file
remove content page from init script
update names of communities
update html for pages with htmlPageContent

Subscribers: don't subscribe again if already subscribed
Notifications: add entity, DAO, controller
Add Email entity

Change emailSender to be more generic