Merge branch 'ab/test' into next

Merge branch 'ab/test' into next

* ab/test: (43 commits)
  cvs tests: do not touch test CVS repositories shipped with source
  t/t9602-cvsimport-branches-tags.sh: Add a PERL prerequisite
  t/t9601-cvsimport-vendor-branch.sh: Add a PERL prerequisite
  t/t7105-reset-patch.sh: Add a PERL prerequisite
  t/t9001-send-email.sh: convert setup code to tests
  t/t9001-send-email.sh: change from skip_all=* to prereq skip
  t/t9001-send-email.sh: Remove needless PROG=* assignment
  t/t9600-cvsimport.sh: change from skip_all=* to prereq skip
  lib-patch-mode tests: change from skip_all=* to prereq skip
  t/t3701-add-interactive.sh: change from skip_all=* to prereq skip
  tests: Move FILEMODE prerequisite to lib-prereq-FILEMODE.sh
  t/Makefile: Create test-results dir for smoke target
  git-notes: Run partial expensive test everywhere
  t/t3300-funny-names: change from skip_all=* to prereq skip
  t/t3902-quoted: change from skip_all=* to prereq skip
  t/t4016-diff-quote: change from skip_all=* to prereq skip
  t/t5503-tagfollow: change from skip_all=* to prereq skip
  t/t7005-editor: change from skip_all=* to prereq skip
  t/t5705-clone-2gb: change from skip_all=* to prereq skip
  t/t1304-default-acl: change from skip_all=* to prereq skip
  ...

Conflicts:
	t/t6035-merge-dir-to-symlink.sh