#796
French update

2 updated strings + re-conversion to curly apostrophes for lines 0-2678
(others to follow tomorrow)
Fix #704; also creates new template function getSizeDefaultThumb() (was doubled in both printDefault/AlbumThumb functions )
conserve admin tabs

For development plugins creates a development tab and subtabs
tab name should be LC
if it is not broke, prevent fixing it
Upercase first character of tab when displaying it
French Update – curly apostrophes

Curly Apostrophes done throughout.
Minor corrections in strings

macroList/macroList_tab.php:38 (<code> added)
mergedRSS.php:60 (space added)
French Update, following 2 minor corrections in strings
Danish translation
Merge remote-tracking branch 'origin/master' into fixing-quotes

Conflicts:
	zp-core/locale/fr_FR/LC_MESSAGES/zenphoto.mo
	zp-core/locale/fr_FR/LC_MESSAGES/zenphoto.po