Gallery2: Update German translation

Change-Id: I407019f6be4ce62ac74477beec05da5e8db5801d
Gallery2: ES translations

Change-Id: I478e168ed6f71e7ea02eef0e3febeea94a526b57
Gallery2: NL translations

Change-Id: Ia3a6b0db408ed0fb54a0ce9e46fa39f79085a58f