PEP8 Fixes

Fixes: Small PEP8 fixes
Fix for render_settings path

Fixes: fixed render_settings wasnt working correctly
was only finding the directory if start server.py within server folder
now works both ways
Fixes: Fixed import error

Fixes: Fixed import os in render_settings
Made changes to log page

log page can now detect all log files in the app root directory
for future ocasions

TODO: find way to only display the first 30 lines and last 60 lines
will work on this later
Merge branch 'master' of https://github.com/fsiddi/brender

# By fsiddi
# Via fsiddi
* 'master' of https://github.com/fsiddi/brender:
  Completed shots are now marked as such in the database
  Tweak for enabling and disabling workers
  Update to README.md

e commit.
Merge pull request #24 from cyprusglobe/master

Small Fixes for PEP8 and Fixes for render_settings path