[client] Implement the first version for showing connection status with servers.
[client][Server] Show communication information of servers as a popover.
[server][hatohol-def-src-file-generator] Define constants fro ArmInfo.
[client][Server] Use defined contensts instread of raw numbers.
[client][Server] Show a comment for the last failure.
[client][Server] Remove 'Last' from 'Last status update time' to be short.
[client] Update po files.
[client][Server] Implement code to show the status when there's no corresponding information in the received packet.
[client][Server] Remove an comment that is no longer needed.
[client][Server] Show communication status with colors.
[client][Server] update po files.
[client][severs_view] fix a bug that causes an error when the input packet is undefined.
[client][test_severs_view] Add a new test.
[client][test_severs_view] add a new test: 'pass an undefined serverConnStat'.
[client][severs_view] Add a missing semi-colon at the tail.
[client][test_severs_view] add a new test: 'set nonexisting server id'.
[client][test_severs_view] add a new test: 'set existing server id'.
[client][test_severs_view] add a new test: 'get status label before calling setServerId()'.
[client][test_severs_view] add a new test: 'get status label with no status member'.
[client][servers_view] Fix a typo: Inital -> Initial.