Merge pull request #7057 from owncloud/pictures-icon

better picture icon, fix https://github.com/owncloud/apps/issues/1401

core/img/places/picture.svg

 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" height="32" width="32" version="1.1" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
- <g transform="translate(581.71 -2.0765)">
-  <path style="block-progression:tb;text-indent:0;color:#000000;text-transform:none" d="m-575.01 3.0806c-0.39495 0.0765-0.70712 0.46665-0.70001 0.87488l-0.00062 26.246c0.00001 0.45808 0.41045 0.87487 0.86155 0.87488h20.28c0.4511-0.000012 0.86154-0.4168 0.86155-0.87488l0.00061-25.921c-0.00065-0.67287-0.53099-1.2037-1.0337-1.1998h-20.27zm1.2998 19.996h18l0.00082 6h-18.001z"/>
-  <path style="block-progression:tb;text-indent:0;color:#000000;text-transform:none" d="m-575.01 4.0806c-0.39495 0.0765-0.70712 0.46665-0.70001 0.87488l-0.00062 26.246c0.00001 0.45808 0.41045 0.87487 0.86155 0.87488h20.28c0.4511-0.000012 0.86154-0.4168 0.86155-0.87488l0.00061-25.921c-0.00065-0.67287-0.53099-1.2037-1.0337-1.1998h-20.27zm1.2998 19.996h18l0.00082 6h-18.001z" fill="#fff"/>
- </g>
+ <path style="block-progression:tb;color:#000000;text-transform:none;text-indent:0" fill="#fff" d="m0.6875 4c-0.39495 0.0765-0.69461 0.4668-0.6875 0.875v22.25c0.00001 0.458 0.4239 0.875 0.875 0.875h30.25c0.4511-0.000012 0.87499-0.41692 0.875-0.875v-21.906c-0.001-0.6731-0.529-1.2229-1.031-1.219zm2.3125 3h26v10l-2-2-5 7-6.625-4-9.1875 7h-3.1875zm6 3c-1.6569 0-3 1.3431-3 3s1.3431 3 3 3 3-1.3431 3-3-1.3431-3-3-3z"/>
 </svg>