Added slovenian language

src/Mod/Assembly/Gui/Resources/Assembly.qrc

@@ -26,5 +26,6 @@
         <file>translations/Assembly_pt-PT.qm</file>
         <file>translations/Assembly_sr.qm</file>
         <file>translations/Assembly_el.qm</file>
+        <file>translations/Assembly_sl.qm</file>
     </qresource>
 </RCC> 

src/Mod/Assembly/Gui/Resources/translations/Assembly_sl.ts

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE TS>
+<TS version="2.0" language="sl" sourcelanguage="en">
+<context>
+    <name>AssemblyGui::Workbench</name>
+    <message>
+        <location filename="../../Workbench.cpp" line="+50"/>
+        <source>Assembly</source>
+        <translation type="unfinished">Assembly</translation>
+    </message>
+</context>
+<context>
+    <name>CmdAssemblyConstraintAxle</name>
+    <message>
+        <location filename="../../Command.cpp" line="+42"/>
+        <source>Assembly</source>
+        <translation type="unfinished">Assembly</translation>
+    </message>
+    <message>
+        <location line="+1"/>
+        <source>Constraint Axle...</source>
+        <translation>Omejitev osi...</translation>
+    </message>
+    <message>
+        <location line="+1"/>
+        <source>set a axle constraint between two objects</source>
+        <translation>določite osne omejitve med dvema objektoma</translation>
+    </message>
+</context>
+<context>
+    <name>Workbench</name>
+    <message>
+        <source>Assembly</source>
+        <translation type="obsolete">Assembly</translation>
+    </message>
+</context>
+</TS>