Report broken package for 'sparsehash'

Merge pull request ruslo#713 from dvirtz/pr.add.fakeit

add FakeIt

mtplz 0.1-p1

Merge pull request ruslo#712 from ruslo/pr.keep.sources

Keep sources feature

OpenSSL: ++PACKAGE_INTERNAL_DEPS_ID

hunter_setup_msvc: vcvarsall.bat location for Visual Studio 2017

MySQL-client: make uncacheable

PACKAGE_INTERNAL_DEPS_ID update for OpenSSL, Boost and odb-boost

Merge pull request ruslo#702 from ruslo/pr.add.lzma

Add 'lzma' (xz) package

Add 'lzma'