Adds float case on filters partial.
Fixes "=" filter on float values.
Merged r6247 from trunk.
scm: mercurial: add functional test of destroying invalid repository.
Merged r6246 from trunk.
scm: mercurial: do nothing in fetching if info is nil.
Merged r6245 from trunk.
scm: mercurial: catch exception and return nil during getting info.
Merged r6243 from trunk.
scm: mercurial: add functional test of destroying valid repository.
Merged r6242 from trunk.
scm: mercurial: add instance variable @project at functional test.
scm: git: add functional test of destroying invalid repository (#6713, #4725).
scm: git: add functional test of destroying valid repository (#6713, #4725).
scm: git: add instance variable @project at functional test.
