Backport subpath fixes to 1.22 (cover letter only)

Patch 2/2 needed minor conflict resolution for the test case but otherwise this is just a straight cherry-pick.

The following changes since commit 012fb876c1cf0b3aeee3c8c168af0a8947518246:

data.py: fixes bad substitution when running devshell (2015-04-11 16:26:53 +0100)

are available in the git repository at:

git://git.yoctoproject.org/poky-contrib paule/subpath-fix-1.22
http://git.yoctoproject.org/cgit.cgi/poky-contrib/log/?h=paule/subpath-fix-1.22

Anders Darander (1):
fetch/git: Remove a possible trailing '/' in subpath

Paul Eggleton (1):
lib/bb/utils: add safeguard against recursively deleting things we
shouldn't

 lib/bb/fetch2/git.py  |  2 +-
 lib/bb/tests/utils.py | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 lib/bb/utils.py       | 21 +++++++++++++++++++++
 3 files changed, 72 insertions(+), 1 deletion(-)

2.1.0