add missing $_SERVER values for init.php when called from cli

Wrap thead around 1st row, when 1st cell at 1st row is tableheader. Implements FS#1764

translation update

translation update

refactor to avoid php notice and match structure of rest of p_get_renderer()

initialize $inParagraph before use

replace boolean conditional checks on possibly uninitialized vars with \!empty/empty/isset as appropriate

remove '&' reference operator from metadata test, not required in php5

escape '$' in mailer test strings

Ensure language strings are reloaded for each unit test

translation update

update for deprecated '/e' flag in preg_replace (php 5.5)

fix some Only vars assigned by reference

fixed some errors indicated by IDEA

fix signature mail unittest, and improve some signatures info plugin

output of fread is string, but recognized as object. Fixed assign by ref

fix expression passed by reference

fix signatures and old by references

not assign object from plugin_load by reference

phpdocs plugins util and controller

inc/search.php phpdocs

update phpdocs inc/search.php

improve visibility and PHPdocs of plugin controller

fix php strict and remove double duplicated code of renderer plugin loader

fix php strict notices