Upgraded to ABP 0.7.3 and inherited AbpSession from ClaimsAbpSession …

…by renaming it to IdentityFrameworkClaimsAbpSession.

Updated test project nuget packages.

Removed unnecessary comments.

Deprecated AbpRoleManager.HasPermissionAsync. Resolved #105.

Resolved #101: Cache user & role permissions.

Upgraded all nuget packages including ABP packages.

Upgraded to ABP v0.6.4.

Made AuditLog IMayHaveTenant and properties virtual.

Changed LDAP's IsEnabled to false as default. Also, fixed PrincipalCo…

…ntext parameters.

Fix on external user creation.