Rename and update documentation in doc/
Add doc/AUTHORS and mailmap file
Update .gitignore
Add READMEs
Fix missing DESTDIR support in 'install-db'
Docs: Add now for creating tarball
Fix 'install-apache-config' if apache config path not existing
Add initial spec file

refs #2785
Update etc/make/version.m4

refs #2809
Drop spec file, needs proper rework
Import Changelog
Import LConf Icinga Web 1.4.1
Update Changelog for 1.4.1