Fix compilation

without those modification you can't build inside android
Spanish strings updated

Latest 2.1.18 Spanish strings updated.
Merge pull request #33 from andi34/jb2

Fix compilation
Merge pull request #34 from DaniPhii/patch-1

Spanish strings updated
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added possibility to change tabs order
added possibility to change tabs order
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fixed FC when tabs are reordering and a tab is not available
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no need apply button
small UI adjustments