Don't spill to next line
`pep8` with PyCharm
Read values from images themselves, not from logs

We are loading the (corrected) images themselves from each folder and
plot their values. This is more portable (and probably safe) than
reading from log files.
Also looping over lenses, so that all values are done in one go.
`pep8` with PyCharm
Merge branch 'read-images-instead-of-logs'