fixed namespaces links again
merging
fix file extensions

--HG--
rename : css-gcpm-3/leader-001.xht => css-gcpm-3/leader-001.html
rename : css-gcpm-3/leader-002.xht => css-gcpm-3/leader-002.html
rename : css-gcpm-3/leader-003.xht => css-gcpm-3/leader-003.html
rename : css-gcpm-3/string-set-001.xht => css-gcpm-3/string-set-001.html
rename : css-gcpm-3/string-set-002.xht => css-gcpm-3/string-set-002.html
rename : css-gcpm-3/string-set-003.xht => css-gcpm-3/string-set-003.html
rename : css-gcpm-3/string-set-004.xht => css-gcpm-3/string-set-004.html
rename : css-gcpm-3/string-set-005.xht => css-gcpm-3/string-set-005.html
rename : css-gcpm-3/string-set-006.xht => css-gcpm-3/string-set-006.html
rename : css-gcpm-3/string-set-007.xht => css-gcpm-3/string-set-007.html
rename : css-gcpm-3/string-set-008.xht => css-gcpm-3/string-set-008.html
rename : css-gcpm-3/string-set-009.xht => css-gcpm-3/string-set-009.html
rename : css-gcpm-3/string-set-010.xht => css-gcpm-3/string-set-010.html
rename : css-gcpm-3/string-set-011.xht => css-gcpm-3/string-set-011.html
rename : css-gcpm-3/string-set-012.xht => css-gcpm-3/string-set-012.html
rename : css-gcpm-3/using-strings-001.xht => css-gcpm-3/using-strings-001.html
rename : css-gcpm-3/using-strings-002.xht => css-gcpm-3/using-strings-002.html
rename : css-gcpm-3/using-strings-003.xht => css-gcpm-3/using-strings-003.html
rename : css-gcpm-3/using-strings-004.xht => css-gcpm-3/using-strings-004.html
rename : css-gcpm-3/using-strings-005.xht => css-gcpm-3/using-strings-005.html
extra : rebase_source : 09e9e805937ee18c627feab670f08dc11cbdeec9