* i18n Admin standardization
cz - moved items incorrectly placed in system array to extensions array
nl - remove registration array in user array that doesn't appear in any other translations - possibly from an old version that didn't get removed?
oc - reordered list to standardize order with other translation files.
* Alphabetize extensions Array
* Standardize conf.php
he - removed options not appearing in other i18n files, added missing strings
* Standardize feedback.php
he - removed line not found in other translation files
nl - removed line not found in other translation files
* Standardize gen.php
* Standardize index.php
Major sorting of oc.
Added tags to several languages
* Standardize install.php
ru - added missing strings
it - remove extra string not found in other config files
he - add missing strings, remove strings not found in other languages
oc - reorganize
* Standardize sub.php
* Standardize and fix TODOs
use format "//TODO - Translation" for easier searching
* Fix whitespace
- Introduce USERS_PATH
- Remove LOG_PATH
- Use join_path in install.php
- Change references to old data files to the new ones
- Update i18n
See https://github.com/FreshRSS/FreshRSS/issues/729
Patrick Crandol
Alexandre Alapetite
Seokseong Jeon
Marien Fressinaud
Alwaysin