Don't remove card images from revealed decks

Revealed library had write access, which meant that the user would see cards being removed from the zone as the other player drew cards. The cards were not the actual ones drawn, just the ones at the same index, so no information was leaked.

Fix #297
Action: Move Bottom Card to Graveyard

Created menu action to move card from the bottom of the library to the
graveyard. Qt accelerator key is "i". #125
Add 'Start time' column to game list
Add back -Werror, etc. on debug build
Translate, change 'Start time' to 'Game created', add debug log
Fix the build
fix localization in time strings
Show hours and minutes between 60 and 90 minutes
0s-5m displayed as '<5m ago'
Added '<1m ago'
Capitalize game columns
Added double click to join a room

Can now double click on a room in the lobby to join
Added "ENTER" to join a room

Can now join a room by highlighting a room and pressing ENTER. Works
nice with arrow navigation.
Added double click/Enter for Server tab

Added the same functionality to the server tab
Merge pull request #454 from poixen/doubleclick

Double click/ENTER to join a room in lobby
Merge pull request #435 from poixen/bottomdeck

Action: Move Bottom Card to Graveyard
Merge pull request #428 from woogerboy21/static_reveal_library

Don't remove card images from revealed decks
Merge pull request #436 from mitchellwrosen/master

Add 'Start time' column to game list