add tmp/thumbnails/* to .hgignore and .gitignore
Merged r10709 from trunk to 1.4-stable (#12196)
fix "Page not found" on OK button in SCM "View all revisions" page.
Merged r10709 from trunk to 2.1-stable (#12196)
fix "Page not found" on OK button in SCM "View all revisions" page (#12196)
backout r10707 (#12196)
Fixed test case class name (#10852).
Ability to delete a version from a wiki page history (#10852).
Merged r10702 from trunk to 1.4-stable (#12189)
add tmp/pdf directory.
Merged r10702 from trunk to 2.1-stable (#12189)
