Added fallback to default language for phrases

. added fallback to default language in PhrasesLib.php
. fixed small issues concerning right translation in PhrasesLib.php
. all other files: adding translation for Infocenter overview + details page (client- and serverside)

application/views/widgets/filter/saveFilter.php

@@ -2,14 +2,14 @@
 
 <div>
 	<span class="filter-options-span">
-		Filter description:
+		<?php echo  ucfirst($this->p->t('global', 'beschreibung')); ?>:
 	</span>
 	<span>
 		<input type="text" id="customFilterDescription" value="">
 	</span>
 
 	<span>
-		<input type="button" id="saveCustomFilterButton" value="Save filter">
+		<input type="button" id="saveCustomFilterButton" value="<?php echo  ucfirst($this->p->t('ui', 'speichern')); ?>">
 	</span>
 </div>
 

application/views/widgets/filter/selectFields.php

@@ -2,7 +2,7 @@
 
 <div>
 	<span class="filter-options-span">
-		Add field:
+		<?php echo  ucfirst($this->p->t('filter', 'feldHinzufuegen')); ?>:
 	</span>
 
 	<span>

application/views/widgets/filter/selectFilters.php

@@ -4,7 +4,7 @@
 
 <div>
 	<span class="filter-options-span">
-		Add filter:
+		<?php echo  ucfirst($this->p->t('filter', 'filterHinzufuegen')); ?>:
 	</span>
 
 	<span>
@@ -12,6 +12,6 @@
 	</span>
 
 	<span>
-		<input id="applyFilter" type="button" value="Apply filter">
+		<input id="applyFilter" type="button" value="<?php echo  ucfirst($this->p->t('global', 'hinzufuegen')); ?>">
 	</span>
 </div>