Fix #406
Fix #405 (Should we have something general for static custom pages?)
allow multi-dimensional arrays
nal arrays

applies to serialized or regular
Some improvement for custom pages
allow quotes for moviepath parameter
Merge branch '1.4.5' of https://github.com/zenphoto/zenphoto into 1.4.5
fix #408
fix #407
fix #404
missing html encoding
updates to some macro parameter parsing

mediaplayer requires a number as the second parameter
slideshow requires the literal true of false as the second parameter
Merge remote-tracking branch 'origin/1.4.5' into 1.4.6