Directories: fix _createChildComponentForm in Trl

we need a different idTemplate in trl as the id is already the full component_id
php 5.6 compatibility:

iconv_set_encoding got deprecated, don't call it.
as zend also calls it just ignore those errors
add missing static to methods that get called statically

fixes php 5.6 incompatibility
Change behaviour of onShow / onHide for community video
- set whole html as data
pretty print exception messages for json requests
check if exception exists
update exception handling to server side changes
Add a class to the listwrapper in list-carousel component during animation
trl support for MetatagsContent Component
trl.xml
trl.xml
fixed adding new items to superbox select

deactivated mode remote for addItem function
Abstract_Image: When dimension defined by 'user' and no value inserted use 0 not -1
add trl support for List_Carousel component
call on content ready when statisticoptbox is ready
Brute Force Login protection: set file_name_prefix instead of a fixed prefix in cache id

avoids problems that clean old checks all entries in cache/config
login brute force: only sleep when more than 3 failed logins
improve tel url validation to match rfc url schema

https://www.ietf.org/rfc/rfc2806.txt

- allow - and . as separator in addition to ' '
- don't require // after tel:
- allow + as first char after tel: (to support +43)
use transparent gif as standard source for our lazy images

to prevent an invalid img src
callOnContentReady: correctly pass render action