coverbrowser: improve title & authors layout

[benoit-pierre]

• handle possible height overflow
• now that labels don't overflow, increase the minimum font size

Example, before:

And after:

---

This change is 

[Frenzie]

What's the quickest way to get some insanely long string in there? (I suppose the answer might be to hack the code. :-D)

[benoit-pierre]

Or patch an epub with ebook-meta --authors=AUTHORS --title=TITLE.

[Frenzie]

But then I'd have to install calibre. :-)

Edit: nothing against calibre, but I have no need for it and then it sneaks into various file associations that are sometimes surprising.

[benoit-pierre]

Here.
ebooks.zip

[Frenzie]

So on higher DPI it's minuscule but legible. Probably not the best idea regardless, but perhaps this (250+ DPI) is the design context.

[benoit-pierre]

Really hard to read on Kindle PW2.

[mergen3107]

I have a book which is basically a huge collection of poems from authors (30+) from Russian Silver Age of Poetry :D don’t need to hack anything to see this tiny font

[hius07]

What's the quickest way to get some insanely long string in there?

Custom metadata!