QmlDesigner: Remove Internal namespace in the ItemLibrary

Change-Id: I183e57c7e5dcfaca903346972f5e4983e1beaa14
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
QmlDesigner: Move ItemLibrarySectionModel in own file

Change-Id: I1797e6df019d0a833e2b9b6eaeb72759432f9a64
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
QmlDesigner: Move ItemLibraryItemModel in own file

Change-Id: I4cb5ddf82ed677b653c23cae173a67f833241e65
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
QmlDesigner: Move ResourceItemDelegate in own file

Change-Id: Id0408822f4b3dd478bf82434bb9eea7374aec443
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
QmlDesigner: Rename itemlibrarycomponents in itemlibrarytreeview

Change-Id: I258a766f93a950fbca3f7490ff8212713cd088c0
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
QmlDesigner: Refactor ItemLibraryModel

Change-Id: Ic3768bbd3ed3f65b456b0e9e2b4c8ab9497ca1ce
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
QmlDesigner: Move ItemLibrarySortedModel

Change-Id: I99238a1c3eb11debabddf4fb10558242b14dcef6
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
QmlDesigner: Remove the template magic in ItemLibrarySectionModel

Change-Id: I949dfff4b1fab69cbff550f6da9be97c2a985c06
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
QmlDesigner: Rename ItemLibraryItemModel in ItemLibraryItem

Change-Id: I93402371955e43b86a354bf38e8081d1ca737424
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
QmlDesigner: Move ItemLibrarySectionModel to ItemLibrarySection

Change-Id: Ic5410da35c67f5447a288299f40a0d4ab9f09d12
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
QMlDesigner: Rename ItemLibrarySortedModel in ItemLibrarySectionModel

Change-Id: I8c4d6fe661d75cfc93c6dd4500f67c0810e1b1e2
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
QmlDesigner: Add visibily to ItemLibraryItem

Change-Id: I5fa1b249e6a2d317e06ed9ff04597de590228f86
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
QmlDesigner: more cleanup in ItemLibrarySectionModel

Change-Id: I6aa149047bd76b65d28416bfaef2dd707587cecb
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
QmlDesigner: Remove ids in ItemLibrarySectionModel

Change-Id: I6d7e53fb5b034fc4c6b6fcc45f7f3a7b846b2487
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
QmlDesigner: Change QMap in QList in ItemLibrarySectionModel

Change-Id: I5f221f9062a127e859ea77b875cab65affdd3ba2
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
QmlDesigner: Remove id parameter from  ItemLibrarySectionModel::addItem

Change-Id: I649110e0115f4c9ffccefcf2181e44f68c6f1f51
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
QmlDesigner: Remove m_privList in ItemLibrarySectionModel

Change-Id: I7aaed4cc388d429e832ec79a283d381f1a60e907
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
ProjectExplorer: Env-widget QTableView to QTreeView

QTreeView is a better list view with columns than QTableView.
One special reason for this change is that QTreeView
finds a proper default row height regardless of the system
DPI.

Change-Id: I3a5a45cdc9af9393baa24b3656329982facbb425
Reviewed-by: Daniel Teske <daniel.teske@digia.com>