[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*

repos/nanosvg/LICENSE.txt

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+Copyright (c) 2013-14 Mikko Mononen memon@inside.org
+
+This software is provided 'as-is', without any express or implied
+warranty.  In no event will the authors be held liable for any damages
+arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not
+claim that you wrote the original software. If you use this software
+in a product, an acknowledgment in the product documentation would be
+appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must not be
+misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
+