Update tw-video-scraper.py

- Use Google for thetvdb ID lookups
- Get XML file from thetvdb instead of zip as it's a lot smaller in most cases
fix missing linebreak, beautify code
readd the accidentally removed db insert of id
make sure differently formated response urls are accepted
use Image.thumbnail for scaling

also hardcode scaling to max 300px
special TV pilot handling: get poster
Do not pull 42ca629 on request of ztNFny

This reverts commit 42ca62955b9b13b02b0b5ecd94a309c5e797d9c4.
Small fixes after merging pull request
Try to find exact match for series name first
Option to download poster for series' pilot episode
Remove zip functions, not used anymore
Merge branch 'pr/3'