Fix wrong parameter check for /api/feed/subscribe
Merge pull request #152 from uu59/fix_wrong_parameter_check

Fix wrong parameter check for /api/feed/subscribe
Refactord crawlers
Separated too long method
Fixed rescue condition to ignore other many type exceptions
Refactord crawler
Increase max_unread_count 10 to 200. It's same as LDR
Merge pull request #154 from yayugu/fix/crawler

Refactored & Fixed bug on Crawler
Add via option to match routes

In rails4, `match` method without specifying an HTTP method raise
RuntimeError.
Merge pull request #155 from sanemat/feature/routing-match

Add via option to match routes