Bug 883150 - add tsvgx and tscrollx to talos. r=avih

--HG--
rename : talos/page_load_test/svg/composite-scale-opacity.svg => talos/page_load_test/svgx/composite-scale-opacity.svg
rename : talos/page_load_test/svg/composite-scale-rotate-opacity.svg => talos/page_load_test/svgx/composite-scale-rotate-opacity.svg
rename : talos/page_load_test/svg/composite-scale-rotate.svg => talos/page_load_test/svgx/composite-scale-rotate.svg
rename : talos/page_load_test/svg/composite-scale.svg => talos/page_load_test/svgx/composite-scale.svg
rename : talos/page_load_test/svg/gearflowers.svg => talos/page_load_test/svgx/gearflowers.svg
rename : talos/page_load_test/svg/hixie-001.xml => talos/page_load_test/svgx/hixie-001.xml
rename : talos/page_load_test/svg/hixie-002.xml => talos/page_load_test/svgx/hixie-002.xml
rename : talos/page_load_test/svg/hixie-003.xml => talos/page_load_test/svgx/hixie-003.xml
rename : talos/page_load_test/svg/hixie-004.xml => talos/page_load_test/svgx/hixie-004.xml
rename : talos/page_load_test/svg/hixie-005.xml => talos/page_load_test/svgx/hixie-005.xml
rename : talos/page_load_test/svg/hixie-006.xml => talos/page_load_test/svgx/hixie-006.xml
rename : talos/page_load_test/svg/hixie-007.xml => talos/page_load_test/svgx/hixie-007.xml
rename : talos/page_load_test/svg/images/kyoto_1.jpg => talos/page_load_test/svgx/images/kyoto_1.jpg
rename : talos/page_load_test/svg/images/kyoto_2.jpg => talos/page_load_test/svgx/images/kyoto_2.jpg
rename : talos/page_load_test/svg/svg.manifest => talos/page_load_test/svgx/svg.manifest