3.4.6

• Backported autarchic gate pulsar stacking (cpw, Flow86, asie)
• Backported pipe grouping algorithm from BuildCraft 3.5.x (Player, Una, asie)
• Fixed localization regression from BuildCraft 3.4.5. (asie)
• Updated German, French and Polish translations. (asie)
• Other minor bugfixes (asie)