Created TransportPropertyManager facade.

briar-android/res/values/roboguice.xml

...android/src/org/briarproject/android/TestingActivity.java

.../src/org/briarproject/api/messaging/MessagingManager.java

...g/briarproject/api/property/TransportPropertyManager.java

briar-api/src/org/briarproject/api/transport/KeyManager.java

...-core/src/org/briarproject/invitation/AliceConnector.java

briar-core/src/org/briarproject/invitation/BobConnector.java

briar-core/src/org/briarproject/invitation/Connector.java

...-core/src/org/briarproject/invitation/ConnectorGroup.java

...rg/briarproject/invitation/InvitationTaskFactoryImpl.java

.../src/org/briarproject/messaging/MessagingManagerImpl.java

...e/src/org/briarproject/plugins/ConnectionManagerImpl.java

...-core/src/org/briarproject/plugins/PluginManagerImpl.java

briar-core/src/org/briarproject/property/PropertyModule.java

...g/briarproject/property/TransportPropertyManagerImpl.java

...r-core/src/org/briarproject/transport/KeyManagerImpl.java

...e/src/org/briarproject/transport/TransportKeyManager.java

...s/src/org/briarproject/plugins/PluginManagerImplTest.java

...rg/briarproject/sync/SimplexMessagingIntegrationTest.java