Reorganize icon data as an embedded icon theme (#226)

glabels/icons/glabels-flat/index.theme

@@ -0,0 +1,64 @@
+[Icon Theme]
+Name=glabels-flat
+Comment=gLabels flat icon theme (light)
+Directories=16x16/actions,16x16/apps,22x22/actions,22x22/apps,24x24/actions,24x24/apps,32x32/actions,32x32/apps,48x48/actions,48x48/apps,128x128/apps,scalable/apps
+
+
+[16x16/actions]
+Size=16
+Type=Fixed
+Context=Actions
+
+[16x16/apps]
+Size=16
+Type=Fixed
+Context=Applications
+
+[22x22/actions]
+Size=22
+Type=Fixed
+Context=Actions
+
+[22x22/apps]
+Size=22
+Type=Fixed
+Context=Applications
+
+[24x24/actions]
+Size=24
+Type=Fixed
+Context=Actions
+
+[24x24/apps]
+Size=24
+Type=Fixed
+Context=Applications
+
+[32x32/actions]
+Size=32
+Type=Fixed
+Context=Actions
+
+[32x32/apps]
+Size=32
+Type=Fixed
+Context=Applications
+
+[48x48/actions]
+Size=48
+Type=Fixed
+Context=Actions
+
+[48x48/apps]
+Size=48
+Type=Fixed
+Context=Applications
+
+[128x128/apps]
+Size=128
+Type=Fixed
+Context=Actions
+
+[scalable/apps]
+Type=Scalable
+Context=Applications