Latest lite wallet asset creation bugs

[monsterer]

1. The maximum supply has a HTML max field, but this does not correspond to GRAPHENE_MAX_SHARE_SUPPLY, and I get an error when creating the asset.
2. Setting the optional market fee percent to something does not enable bit 0 of flags. which means no fees will be collected
3. If you enter a max market fee which is too large, a msg appears but then you are prevented from correcting your mistake (you have to close the entire app and re-open)
4. The flags listed in the asset explorer bare no relation to the flags field on the asset

edit: 3 occurred due to changing the asset precision to 18 during editing, and even 1 is too high a fee in that case