osc: Update to 0.145.0

This update fixes the following issues with osc:
- Update from 0.139.1 to 0.145.0
+ allow to use the set-release option when running a manual release
+ added support for "osc requestmaintainership PROJECT"
+ various bugfixes:
* print_buildlog: do not strip tabs
* fixed "osc -H ..." in combination with a proxy
* fixed creation of ~/.osc_cookiejar
* Package.commit: create _meta for newly added packages
* fixed behavior of set_link_rev #72
+ fixed typos in PKGBUILD file: no comma in depends tag (as pointed out by roflik)
+ fixed "osc meta pkg -e" regression for special package names
+ allow commiting to package sources from linked projects. osc will ask to branch it first.
+ group support in bugowner and maintainer command
+ add option to add a auto-accept in future for delete requests (handy for admins)
+ many bugfixes:
* plugin loading
* bugowner handling
* download of server side generated source "up -S"
* wipebinaries command
+ bnc#699224: package COPYING
+ support for ppc64le architecture
+ fixes regression for wipebinaries call
+ fixes "osc api" call when uploading binaries via POST
+ support for OBS 2.5 authentification token support
+ ppc64p7 build support
+ request --no-devel to disable request forwarding
+ crash bug fix for copypac
+ crash fixes
+ support for kiwi appliance builds using obsrepositories:/ directive
+ support for manual release of sources and binaries
+ add --last parameter for build logs to show last finished log file, if currently building
+ add signkey --sslcert option to fetch the optional create ssl certificate instead of gpg key
+ improved compatibility with old plugins
+ support python 2.7 and python 3 in parallel now
+ reworked plugin loading mechanism in order to avoid the (mass) breakage of existing plugins due to the python 3 support. Nonetheless if a plugin uses the "@cmdln.option(...)" decorator it has to import the cmdln module first via "from osc import cmdln".
+ allow specifying directories as mv targets
+ drop the support for deprecated cbinstall and cbpreinstall directives
+ allow to set maintainer or bugowner ship for a binary package initially, but ask back if this is the right place.
+ support listing of deleted source files "ls -D $PROJECT $PACKAGE"
+ build results do show that a succeeded is not yet published
+ improved bash completions
+ default build root includes repository and architecture name now
+ --request-accept-or-revoke option, useful to handle mass approval of requests
+ multiple minor bugfixes
+ bnc#815296: fix build on ppc/s390/ia64
+ bnc#807621: when forwarding a request, previous request is not superseded automatically
+ fix with/without definitions, --with should not define %_without and vice versa
+ Abort when the server is not answering with 200 or 404 when downloading _pubkey files - really use the internal rpm signature check
+ some spelling corrections

Fixed bugs
bnc#699224
package osc does not distribute COPYING
bnc#807621
osc: when forwarding a request, previous request is not superseded automatically
bnc#815296
regression: osc 0.139 fails to build s390, ppc and ia64 packages
Selected Binaries
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