PHP5.2 compatibility fixes
PHP5.2 compatibility fixes

- Simplify is_current method
- Replace array_walk_recursive definitions
kavabunga/Stacey-CMS,modulexcite/stacey,afonsoduarte/europa,afonsoduarte/acircular,intermedialab/stacey,dhornbein/StudioALA.net,kolber/stacey,kunstdesign/staceyUP,intermedialab/stacey,gaissa/stacey,adaptiveenvironments/stacey,intermedialab/stacey,afonsoduarte/publicinterventions-site,afonsoduarte/gardensquareproject-site,afonsoduarte/acircular,modulexcite/stacey,adaptiveenvironments/stacey,robertbrook/stacey,gaissa/stacey,gaissa/stacey,afonsoduarte/publicinterventions-site,afonsoduarte/europa,robertbrook/stacey,dhornbein/StudioALA.net,afonsoduarte/europa,kavabunga/Stacey-CMS,afonsoduarte/gardensquareproject-site,afonsoduarte/acircular,kunstdesign/staceyUP,afonsoduarte/publicinterventions-site,kavabunga/Stacey-CMS,olekristensen/stacey,njorth/mathilde,adaptiveenvironments/stacey,olekristensen/stacey,njorth/mathilde,afonsoduarte/gardensquareproject-site,robertbrook/stacey,kolber/stacey,dhornbein/StudioALA.net,kolber/stacey,olekristensen/stacey,modulexcite/stacey,njorth/mathilde,kunstdesign/staceyUP