fixes #30
code beautify
added unknown crawler to sample
fixes #29
used the newly external UI bundler
fixes #33
Merge pull request #34 from jkowalleck/template_builer_submodule

used the newl external UI bundler
Merge pull request #31 from jkowalleck/fix-30

Fix #30
Merge pull request #32 from jkowalleck/fix-29

Fix #29
Merge pull request #35 from jkowalleck/fix-33

fixes #33
new subreddit providers
some new reddits and removed imgur because broken #43
deleted python part of imgur crawler. see #28 for details