tile in topoaa.defaults.mol1 should be title

[sverhoeven]

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Fix small typo that tripped up my defaults parser.

[joaomcteixeira]

My question is.. how did that pass the tests? Let me check

[joaomcteixeira]

Got it. this was something new we added. Before mol1 did not have those keys. Adding tests for that.

[sverhoeven]

Thanks for the quick merge.