Fixed SearchBar layout and icons

This is almost a rewrite of the Search function on the WebView
the old code had a few uneeded things, mostly being a subclass
of QMainWindow instead of the QWebView - this makes the code
use a tiny bit less ram.

The SearchBox was also moved to an own class ( we can use it
later to filter the contents of the DiveList for instance )

and a forced use of the pixmaps for the Mac and Windows platform
was added.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

subsurface.pro

@@ -4,7 +4,7 @@ QT = core gui network svg concurrent
 lessThan(QT_MAJOR_VERSION, 5) {
 	QT += webkit
 } else {
-	!android: QT += webkitwidgets
+	!android: QT += webkitwidgets webkit
 	android: QT += androidextras
 }
 INCLUDEPATH += qt-ui $$PWD
@@ -191,13 +191,13 @@ FORMS = \
 	qt-ui/webservices.ui \
 	qt-ui/tableview.ui \
 	qt-ui/divelogimportdialog.ui \
-	qt-ui/usermanual.ui \
+	qt-ui/searchbar.ui \
 	qt-ui/divelogexportdialog.ui \
 	qt-ui/plannerSettings.ui \
 	qt-ui/usersurvey.ui
 
 # Nether usermanual or printing is supported on android right now
-android: FORMS -= qt-ui/usermanual.ui qt-ui/printoptions.ui
+android: FORMS -= qt-ui/printoptions.ui
 
 RESOURCES = subsurface.qrc