new test files from TestTWF (white-space-processing)
modified
Merging PR #48 into new repo structure. See comments at https://github.com/w3c/csswg-test/pull/48

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rename : approved/css2.1/src/text/white-space-processing-001.xht => css21/text/white-space-processing-001.xht
rename : contributors/ttwf_tokyo/starters/css-text/css-text-ref-template.html => work-in-progress/ttwf_tokyo/starters/css-text/css-text-ref-template.html
rename : contributors/ttwf_tokyo/starters/css-text/css-text-test-template.html => work-in-progress/ttwf_tokyo/starters/css-text/css-text-test-template.html
rename : contributors/ttwf_tokyo/starters/css-text/white-space-processing-001-ref.html => work-in-progress/ttwf_tokyo/starters/css-text/white-space-processing-001-ref.html
rename : contributors/ttwf_tokyo/starters/css-text/white-space-processing-001.html => work-in-progress/ttwf_tokyo/starters/css-text/white-space-processing-001.html
rename : contributors/ttwf_tokyo/starters/css-text/white-space-processing-002.html => work-in-progress/ttwf_tokyo/starters/css-text/white-space-processing-002.html
rename : contributors/ttwf_tokyo/starters/css-text/white-space-processing-003-ref.html => work-in-progress/ttwf_tokyo/starters/css-text/white-space-processing-003-ref.html
rename : contributors/ttwf_tokyo/starters/css-text/white-space-processing-003.html => work-in-progress/ttwf_tokyo/starters/css-text/white-space-processing-003.html
rename : contributors/ttwf_tokyo/starters/css-text/white-space-processing-004.html => work-in-progress/ttwf_tokyo/starters/css-text/white-space-processing-004.html
rename : contributors/ttwf_tokyo/starters/css-text/white-space-processing-005.html => work-in-progress/ttwf_tokyo/starters/css-text/white-space-processing-005.html
rename : contributors/ttwf_tokyo/starters/css-writingmodes/css-writingmodes-test-template.html => work-in-progress/ttwf_tokyo/starters/css-writingmodes/css-writingmodes-test-template.html