change paths to golang.org/x/, fails to build because cascadia has to switch too
Merge branch 'golang-import-paths', fix #52
changelog
Merge branch 'master' into manipulation
start adding matcher functions
finish transition for Matcher-based overloads
add Go 1.3 target in travis tests
make test assert helpers private
remove lint warning
rename NewDocumentFromDocument to CloneDocument
fix failing test due to CloneDocument renaming
doc
fix class manipulation issue
more *Matcher overloads of selector string methods
add final *Matcher* overloads
doc
doc again