Synapse exception reporting; simplifying origin/start URL; community page now shows real community object; factoring out different navigation layouts for admin/community pages
Tests refactored to use the page object pattern (much easier to understand and maintain).
Merge pull request #23 from marcel-blonk/develop

Add system props to cargo run
Merge pull request #22 from alxdarksage/develop

Test refactoring, work on the Community admin API, and exception reporting of Synapse exceptions.