update version
remove readme & license files
some updates
backend error fixed.
need improvement
improved get comment author url
replace environment check
use function instead of class
php version check into lib/tools.php
remove debug setting
add translated string
replace old autoloader with new autoloader
remove debug code
remove debug code
remove double check on integer in cache.php
optimized caching
update version numbers
Merge branch 'develop'

Conflicts:
	avatarplus.php
	classes/class-backend.php
	classes/class-cache.php
	classes/class-profile_to_avatar.php
	languages/avatarplus-de_DE.po
	lib/class-wp_autoloader.php
	lib/class-wp_environment_check.php
	license.txt
	readme.md
	readme.txt

Update readme.txt/.md
Update translation