devtool upgrade fixes

I had occasion to look at devtool upgrade recently and found quite a number of issues. Fix those, improve the tests and fix a couple of minor things in devtool add and devtool modify as well.

The following changes since commit 205b446f3fc4a9885179a66a8dab9d81bcc63dca:

uclibc: Do not use immediate expansion operator (2016-02-22 20:42:34 +0000)

are available in the git repository at:

git://git.openembedded.org/openembedded-core-contrib paule/devtool15-oe
http://cgit.openembedded.org/cgit.cgi/openembedded-core-contrib/log/?h=paule/devtool15-oe

Paul Eggleton (14):
devtool: add: tweak auto-determining name failure message
devtool: modify: fix source tree default name when mapping virtuals
devtool: upgrade: make source tree path optional
devtool: upgrade: drop superfluous call to validate_pn
devtool: upgrade: fix version argument checking
devtool: upgrade: fix moving version-specific files directory
devtool: upgrade: fix renaming of recipe if PV is not in name
devtool: upgrade: fix constructing new branch from tarball releases
devtool: upgrade: fix several issues with extraction of new source
devtool: upgrade: eliminate unnecessary datastore copy
devtool: upgrade: drop PR on upgrade
devtool: upgrade: print new recipe name
oe-selftest: devtool: rework devtool upgrade test
oe-selftest: devtool: add an additional test for devtool upgrade

 ...01-Add-a-note-line-to-the-quick-reference.patch |  25 ++++++
 .../devtool/devtool-upgrade-test1_1.5.3.bb         |  16 ++++
 .../devtool-upgrade-test1_1.5.3.bb.upgraded        |  14 ++++
 .../devtool/devtool-upgrade-test2_git.bb           |  18 ++++
 .../devtool/devtool-upgrade-test2_git.bb.upgraded  |  17 ++++
 .../recipes-test/devtool/devtool-upgrade_0.1.bb    |  25 ------
 ...-exit-with-EXIT_SUCCESS-instead-of-a-magi.patch |  27 ------
 .../devtool/files/devtool-upgrade-0.1.tar.gz       | Bin 411 -> 0 bytes
 .../devtool/files/devtool-upgrade-0.2.tar.gz       | Bin 411 -> 0 bytes
 meta/lib/oeqa/selftest/devtool.py                  |  59 +++++++++++--
 scripts/lib/devtool/standard.py                    |  37 +++++----
 scripts/lib/devtool/upgrade.py                     |  91 +++++++++++++--------
 12 files changed, 216 insertions(+), 113 deletions(-)
 create mode 100644 meta-selftest/recipes-test/devtool/devtool-upgrade-test1-1.5.3/0001-Add-a-note-line-to-the-quick-reference.patch
 create mode 100644 meta-selftest/recipes-test/devtool/devtool-upgrade-test1_1.5.3.bb
 create mode 100644 meta-selftest/recipes-test/devtool/devtool-upgrade-test1_1.5.3.bb.upgraded
 create mode 100644 meta-selftest/recipes-test/devtool/devtool-upgrade-test2_git.bb
 create mode 100644 meta-selftest/recipes-test/devtool/devtool-upgrade-test2_git.bb.upgraded
 delete mode 100644 meta-selftest/recipes-test/devtool/devtool-upgrade_0.1.bb
 delete mode 100644 meta-selftest/recipes-test/devtool/files/0001-helloword.c-exit-with-EXIT_SUCCESS-instead-of-a-magi.patch
 delete mode 100644 meta-selftest/recipes-test/devtool/files/devtool-upgrade-0.1.tar.gz
 delete mode 100644 meta-selftest/recipes-test/devtool/files/devtool-upgrade-0.2.tar.gz

2.5.0