Upgrade to latest version, with the language server now
building a symbol table and provide 'go-to-definition' feature.
Cleaned the version number to only contain tag number + commit-count
and leave out the git-hash; This results in a more common way
version numbers usually look like.
The version number is derived from the git tag used to check out
the particular revision from git.
Signed-off-by: Henner Zeller <h.zeller@acm.org>