Merge pull request #218 from eile/master

Fix module path
Add rocksdb finder
Rename Finder
Fix FindPoppler for all varieties of system package / user-compiled library.
Merge pull request #222 from rdumusc/findpoppler

Fix FindPoppler for all varieties of system package / user-compiled library.
Remove redundant LAST_RELEASE and use VERSION instead.
Fix Doxygit issue with some sequences of special characters (:,=) in DOXYGIT_TOC_POST.
Merge pull request #224 from rdumusc/doxygitstring

Fix Doxygit issue with some sequences of special characters (:,=) in DOXYGIT_TOC_POST.
Merge pull request #223 from rdumusc/last_release

Remove redundant LAST_RELEASE and use VERSION instead.
Versions are sorted correctly
Merge pull request #225 from bilgili/master

Versions are sorted correctly
PackageConfig searches for ABI-matching upstream dependencies.
If VERSION_ABI is not available, fallback to matching VERSION MAJOR+MINOR.
Fix Documentation Package URL for non-eyescale projects.
Merge pull request #227 from rdumusc/doc_package

Fix Documentation Package URL for non-eyescale projects.
Merge pull request #226 from rdumusc/packageconfig_abi

PackageConfig searches for ABI-matching upstream dependencies.
VERSION_ABI (SONAME) defaults to VERSION_MAJOR if not specified by user.
Merge pull request #228 from rdumusc/soname

Set default ABI_VERSION (SONAME) to 0 if unspecified.
Re-add generic tag target
Trying to get proper auto-update git externals
Merge branch 'master' of https://github.com/Eyescale/CMake