Merge pull request #5 from qulashi369/crawler

Crawler
Merge pull request #6 from qulashi369/server

Server
try to fix 'UnicodeDecodeError', see Issue #2
remove old crawler
move old crawler to subfolder; add proxy crawler
add dev_init.sh
modify readme
pep8 enhancement
add proxies.txt with timeout 3s
change timeout to 3s
add tornado server.py
crawl content
Merge pull request #8 from qulashi369/crawler

Crawler
finish db config
Merge remote-tracking branch 'origin' into server
finish template & static config