Remove qCopy from QVarLengthArray

QtAlgorithms is getting deprecated,
see http://www.mail-archive.com/development@qt-project.org/msg01603.html

Change-Id: I854f64ebd6d83718b1bcb3c70a1697e38243296c
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Remove qFind usages from QLinkedList

QtAlgorithms is getting deprecated,
see http://www.mail-archive.com/development@qt-project.org/msg01603.html

Change-Id: I00f5a2bf96e969b85d63479bab6497d6e1bd17b1
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>