Resolved issue #788. Unhardcode icon path in GNU/Linux launcher.

(grafted from 317ead5183109cad200c8bdd226eada44cc83b0f)

--HG--
branch : develop

ChangeLog.txt

@@ -76,6 +76,7 @@
 - [#773] Tool Point intersection curve and axis cannot find desired intersection point.
 - [#776] Valentina cannot recognize translated functions.
 - [#778] Calling Valentina with "-h" option opens information dialog instead of writing to console.
+- [#788] Unhardcode icon path in GNU/Linux launcher.
 
 # Version 0.5.0 May 9, 2017
 - [#581] User can now filter input lists by keyword in function wizard.

dist/tape.desktop

@@ -8,7 +8,7 @@ GenericName=Valentina's measurements editor
 Comment=Create and edit measurements
 Comment[uk]=Створюйте і редагуйте мірки
 Comment[ru]=Создавайте и редактируйте мерки
-Icon=/usr/share/pixmaps/tape.png
+Icon=tape
 Terminal=false
 MimeType=application/x-valentina-s-measurements;application/x-valentina-i-measurements;
 Categories=Qt;Utility;FileTools;

dist/valentina.desktop

@@ -6,9 +6,9 @@ Exec=valentina %F
 Version=1.0
 GenericName=Pattern making program
 Comment=Creating pattern of clothes
-Comment[ru]=Создание выкроек одежды
 Comment[uk]=Створеня викрійок одягу
-Icon=/usr/share/pixmaps/valentina.png
+Icon=valentina
 Terminal=false
 MimeType=application/x-valentina-pattern;
 Categories=Graphics;VectorGraphics;2DGraphics;Qt;Engineering;
+Name[uk]=valentina.desktop