manually included proofreading changes from the rafalp#872 PR

bump version number

Merge pull request rafalp#861 from rafalp/0.7

Misago 0.7

experimenting with travis config to make builds less unpredictable

remove debug code causing event to always show new event label

Merge pull request rafalp#833 from rafalp/theme-design

Misago Alpha 10

bump version number

remove unused import

fix rafalp#779: leaking misago markup component

fix rafalp#759: responsive avatar cropper