Doc: replace "Applications" with "Application"

The string was changed in the wizard.
Update screenshots.

Change-Id: I6cd8f664a6aea69eff6c5302a42e32b1f5321ddf
Reviewed-by: Tobias Hunger <tobias.hunger@theqtcompany.com>

doc/src/android/androiddev.qdoc

@@ -154,7 +154,7 @@
 
             \endlist
 
-        \li Select \gui File > \gui {New File or Project} > \gui Applications >
+        \li Select \gui File > \gui {New File or Project} > \gui Application >
             \gui {Qt Quick Application} > \gui Choose, and
             follow the instructions of the wizard. For more information, see
             \l{Creating Qt Quick Projects}.

doc/src/qnx/creator-deployment-bb10.qdoc

@@ -35,7 +35,9 @@
     To deploy Qt applications to BlackBerry 10 devices:
 
     \list 1
-        \li Select \gui File > \gui {New File or Project} > \gui {Applications} to create a \gui {Qt Quick Application}, \gui {Qt Widgets Application}, or \gui {BlackBerry Cascades Application}.
+        \li Select \gui File > \gui {New File or Project} > \gui {Application}
+            to create a \gui {Qt Quick Application}, \gui {Qt Widgets
+            Application}, or \gui {BlackBerry Cascades Application}.
         \li Select a BlackBerry 10 \l{glossary-buildandrun-kit}{kit} for either device or simulator. For more information about adding kits, see \l{Connecting BlackBerry 10 Devices}.
         \li When \QC prompts you to generate a BAR descriptor file, answer \gui Yes to generate the file and enable the packaging process.
         \li You can use the BAR descriptor editor to customize the appearance and behavior of the application.

doc/src/qtquick/creator-mobile-app-tutorial.qdoc

@@ -61,7 +61,7 @@
 
     \list 1
 
-        \li Select \gui File > \gui {New File or Project} > \gui Applications >
+        \li Select \gui File > \gui {New File or Project} > \gui Application >
             \gui {Qt Quick Application} > \gui Choose.
 
         \li In the \gui{Name} field, type \b{accelbubble}.

doc/src/qtquick/qtquick-app-tutorial.qdoc

@@ -47,7 +47,7 @@
 
     \list 1
 
-        \li Select \gui{File > New File or Project > Applications >
+        \li Select \gui{File > New File or Project > Application >
             Qt Quick Application > Choose}.
 
         \li In the \gui{Name} field, type \b {Transitions}.

doc/src/qtquick/qtquick-creating.qdoc

@@ -64,7 +64,7 @@
 
     \list 1
 
-        \li Select \gui File > \gui {New File or Project} > \gui Applications >
+        \li Select \gui File > \gui {New File or Project} > \gui Application >
             \gui {Qt Quick UI} > \gui Choose.
 
         \li In the \gui {Qt Quick component set} field, select the component set
@@ -118,7 +118,7 @@
 
     \list 1
 
-        \li Select \gui File > \gui {New File or Project} > \gui Applications >
+        \li Select \gui File > \gui {New File or Project} > \gui Application >
             \gui {Qt Quick Application} > \gui Choose.
 
         \li In the \gui {Qt Quick component set} field, select the component set

doc/src/widgets/qtdesigner-app-tutorial.qdoc

@@ -41,7 +41,7 @@
 
     \list 1
 
-        \li Select \gui{File > New File or Project > Applications > Qt Widgets
+        \li Select \gui{File > New File or Project > Application > Qt Widgets
             Application > Choose}.
 
             \image qtcreator-new-qt-gui-application.png "New File or Project dialog"