Merge pull request #7 from ekremkaraca/master

Some contribs v6...
Added acts-as-taggable-on
Updated
Add pundit and authority under authorization

Added pundit and authority under the Authentication section as there is no specific section for Authorization.
Added flickraw/f00px for Third-party APIs

Added flickraw/f00px in Third-party APIs section
[PgSearch] Added pgsearch in the list
[PgSearch] added comment
[PgSearch] added comment
Merge pull request #8 from shrivaraks/patch-1

Add pundit and authority for authorization
Merge pull request #9 from akashdevaraju/master

Added flickraw/f00px for Third-party APIs
Merge pull request #10 from rashmignair/rn_list

Added pg_search for full text search
Fixed Typo
Added logstash for logging

Added logstash as logging platform
Added web servers
[Testing framework] Added cucumber in the link
Merge pull request #13 from snehakachroo/sk_testing_frameworks

[Testing framework] Added cucumber in the link
Merge pull request #11 from akashdevaraju/master

Added logstash for logging
Added CLI tools
Added Push Notification Gems
Some contribs v7...