en to eu translation catalogue (4 entries)

[ctx: KFilterProxySearchLine]
en: Search...
eu: Bilatu...

[ctx: KTreeWidgetSearchLine]
en: All Visible Columns
eu: Zutabe ikusgai guztiak

[ctx: KTreeWidgetSearchLine]
en: Search Columns
eu: Bilatu zutabeetan

[ctx: KTreeWidgetSearchLine]
en: Search...
eu: Bilatu...
