Patch 0.0.10

__NOWYSIWYG__

Features

 * Message to sender of merchant ships and blocker of port if a port is blocked

Bugfixes

 * Merchant ships which were intercepted could not be recalled
 * Tear down buildings does not bring more resources than used for construction
 * Wrong links in messages when trading with trading post
 * Spies can no longer be trained during building expansion
 * "Spy caught" message bug removed
 * Click on diplomatic advisor now changes the city in the drop-down menu