Issue #376
Merge pull request #377 from waveney/wav7

Issue #376
Um...  probably 5

Expect AC levels to rise...
Merge pull request #379 from waveney/wav7

Um...  probably 5
lots of fixes

mustard sand rate, 0 sand rate warning, DF blackprint cost, No Need to
be Neat fixes, tagged boost buy fix
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Having just done this I felt it justified a badge!
Index fix, links, twitter
Merge pull request #382 from waveney/wav7

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only save 2 layouts, warn