Fix for dialogs empty window title.

--HG--
branch : feature

src/app/dialogs/tools/dialogcutarc.ui

@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Dialog</string>
+   <string>Cut arc</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>

src/app/dialogs/tools/dialogcutspline.ui

@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Dialog</string>
+   <string>Cut curve</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>

src/app/dialogs/tools/dialogcutsplinepath.ui

@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Dialog</string>
+   <string>Cut curve path</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>

src/app/dialogs/tools/dialogheight.ui

@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Dialog</string>
+   <string>Height</string>
   </property>
   <property name="locale">
    <locale language="English" country="UnitedStates"/>

src/app/dialogs/tools/dialogpointofintersection.ui

@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Dialog</string>
+   <string>Point of intersection</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>

src/app/dialogs/tools/dialogtriangle.ui

@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Dialog</string>
+   <string>Triangle</string>
   </property>
   <property name="locale">
    <locale language="English" country="UnitedStates"/>

src/app/dialogs/tools/dialoguniondetails.ui

@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Dialog</string>
+   <string>Union details</string>
   </property>
   <widget class="QDialogButtonBox" name="buttonBox">
    <property name="geometry">