Merge pull request #20 from marco-s/master

remove redundant call, add filter to GA API call, switch to date_i18n()
Not caching of empty/error response (fix #19)
resolve merge conflict
add new params to the filter `toplytics_ga_api_url`
Update the version
Merge pull request #29 from PressLabs/master

update develop
Update codestyle to the WordPress Core stad (fix #26)
Update codestyle to the WordPress Core stad (fix #26)
Update the plugin version to 2.0
Leave a newline after <?php (resolve #25)
Update codestyle to the WordPress Core std. (fix #26)
Update codestyle to the WordPress Core std. (fix #26)
Move all debug log to a function (resolve #22)
Merge pull request #30 from PressLabs/develop

Develop
Move unrelated files to a lib folder (fix #27)
Change the realtime template name
Merge pull request #31 from PressLabs/develop

Develop
Update README.md
Update README.md