Module includes are discouraged because they may increase compilation
time. While debugging a broken core module include header, a number
of module include infractions were discovered in qtdeclarative. Replace
them with their more specific counterparts.

Change-Id: I614e9a6aa2177f396e5289f3cdb3c35faa0202c9
Reviewed-by: Gunnar Sletta <gunnar.sletta@jollamobile.com>