First try to add amazon linux support
Amazon specific modifications
do NOT default on localhost for amazon!
conflicting default site has to be removed
Typo corrected
support amazon in metadata
add specific Version in README
Revert "try to make the nginx gitlab site a catch-all server by default"

This reverts commit 4297f5a415672d9a47c6852837ab4d18f766cfb6.
Merge branch 'amazon'