added presentation, related code, and forgotten tex changes

presentation/icons/ibeacon1.svg

@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   version="1.1"
+   x="0px"
+   y="0px"
+   viewBox="0 0 33.000078 33.002202"
+   enable-background="new 0 0 40 40"
+   xml:space="preserve"
+   id="svg3113"
+   inkscape:version="0.48.4 r9939"
+   width="100%"
+   height="100%"
+   sodipodi:docname="ibeacon1.svg"><metadata
+     id="metadata3121"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /></cc:Work></rdf:RDF></metadata><defs
+     id="defs3119" /><sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="914"
+     inkscape:window-height="650"
+     id="namedview3117"
+     showgrid="true"
+     showguides="true"
+     inkscape:guide-bbox="true"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:zoom="8.34386"
+     inkscape:cx="20.421868"
+     inkscape:cy="13.670354"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg3113"><inkscape:grid
+       type="xygrid"
+       id="grid3123"
+       empspacing="5"
+       visible="true"
+       enabled="true"
+       snapvisiblegridlinesonly="true"
+       originx="-3.4999224px"
+       originy="-3.5px" /></sodipodi:namedview><path
+     clip-rule="evenodd"
+     d="m 9.3000776,14.702202 c 0,-4.1 3.2000004,-7.4000001 7.2000004,-7.4000001 4,0 7.2,3.3000001 7.2,7.4000001 0,2.9 -1.6,5.3 -4,6.6 v 2.4 c 3.6,-1.3 6.1,-4.8 6.1,-8.9 0,-5.3000001 -4.2,-9.5000001 -9.4,-9.5000001 -5.2,0 -9.4000004,4.3 -9.4000004,9.5000001 0,4.1 2.6,7.6 6.1000004,8.9 v -2.4 c -2.2,-1.2 -3.8000004,-3.7 -3.8000004,-6.6 z m 12.8000004,0 c 0,-3.1 -2.5,-5.7000001 -5.6,-5.7000001 -3.1,0 -5.6,2.5000001 -5.6,5.7000001 0,2.4 1.5,4.5 3.6,5.3 v 11.5 h 4 v -11.6 c 2.1,-0.8 3.6,-2.8 3.6,-5.2 z m -5.6,2.6 c -1.5,0 -2.7,-1.2 -2.7,-2.7 0,-1.5 1.2,-2.7 2.7,-2.7 1.5,0 2.7,1.2 2.7,2.7 0,1.5 -1.2,2.7 -2.7,2.7 z m 0,-15.8000001 c -7.2000004,0 -13.0000004,5.9 -13.0000004,13.2000001 0,6.1 4.2,11.3 9.8000004,12.8 v -2.3 c -4.4000004,-1.4 -7.6000004,-5.6 -7.6000004,-10.5 0,-6.1000001 4.9000004,-11.0000001 10.9000004,-11.0000001 6,0 10.9,5 10.9,11.0000001 0,4.9 -3.2,9.1 -7.6,10.5 v 2.3 c 5.6,-1.5 9.8,-6.6 9.8,-12.8 -0.2,-7.3000001 -6,-13.2000001 -13.2,-13.2000001 z"
+     id="path3115"
+     inkscape:connector-curvature="0"
+     style="fill-rule:evenodd" /></svg>