Removes call to singleton engine in attribute constructor (resolves #373)
Adds logger to ItemBridge
Add ability to display custom text on the login part when the user is not logged in.
Enable Nuget package restore on building the solution
Remove binary packages from repo (not needed because these are now auto-installed by nuget upon 1st build)
Updated .gitignore to ignore nuget package binaries
Merge branch 'master' of https://github.com/n2cms/n2cms

Conflicts:
	.gitignore
Remove binary packages again