[client] add SVG loading support and use icons for status display

This brings nanosvg into the project for SVG loading and rendering.
Unfortunatly we can not at this time use a submodule for this project
until https://github.com/memononen/nanosvg/pull/214 is merged.

repos/nanosvg/.gitignore

@@ -0,0 +1,31 @@
+## Compiled source #
+*.com
+*.class
+*.dll
+*.exe
+*.o
+*.so
+test
+
+## Logs and databases #
+*.log
+*.sql
+*.sqlite
+
+## OS generated files #
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+## Build dir
+build/*
+
+## Stuff in example
+example/_*
+
+## xcode specific
+*xcuserdata*