Fix invalid syntax assignment which broke puppet-razor installation

/usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require': /opt/razor/lib/project_razor/config/server.rb:209: syntax error, unexpected '=', expecting tASSOC (SyntaxError)
          'set_hostname' = true,
                          ^
/opt/razor/lib/project_razor/config/server.rb:209: Can't assign to true
/opt/razor/lib/project_razor/config/server.rb:213: syntax error, unexpected '=', expecting tCOLON2 or '[' or '.'
          'make_user' = false,
                       ^
/opt/razor/lib/project_razor/config/server.rb:213: Can't assign to false
/opt/razor/lib/project_razor/config/server.rb:217: syntax error, unexpected tASSOC, expecting tCOLON2 or '[' or '.'
          'mirror_update_host'           => "",
                                           ^
/opt/razor/lib/project_razor/config/server.rb:218: syntax error, unexpected tASSOC, expecting kEND
          'mirror_update_port'           => "",
                                           ^
/opt/razor/lib/project_razor/config/server.rb:219: syntax error, unexpected tASSOC, expecting kEND
          'mirror_update_path'           => "",
                                           ^
/opt/razor/lib/project_razor/config/server.rb:222: syntax error, unexpected tASSOC, expecting kEND
          'mirror_host'           => "",
                                    ^
/opt/razor/lib/project_razor/config/server.rb:223: syntax error, unexpected tASSOC, expecting kEND
          'mirror_port'           => "",
                                    ^
/opt/razor/lib/project_razor/config/server.rb:224: syntax error, unexpected tASSOC, expecting kEND
          'mirror_path'           => ""
                                    ^
/opt/razor/lib/project_razor/config/server.rb:225: syntax error, unexpected '}', expecting kEND
        from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in `require'
        from /opt/razor/lib/project_razor/config.rb:1
        from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
        from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in `require'
        from /opt/razor/lib/project_razor.rb:36
        from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
        from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in `require'
        from /opt/razor/bin/razor_daemon.rb:22
Fix eisbrecher regressin which broke parsing of razor config

/usr/lib/ruby/vendor_ruby/json/common.rb:148:in `parse': 394: unexpected token at 'config] <- undefined method `mirror_port' for #<ProjectRazor::Config::Server:0x7fa057218b18> (JSON::ParserError)
{"slice":"ProjectRazor::Slice","http_err_code":404,"result":"InvalidSlice"}
'
        from /usr/lib/ruby/vendor_ruby/json/common.rb:148:in `parse'
        from /opt/razor/bin/razor_daemon.rb:123:in `get_config'
        from /opt/razor/bin/razor_daemon.rb:271
Merge pull request #2 from TelekomCloud/SMBCAP-2647_fix_eisbrecher_regressions

SMBCAP-2647 fix eisbrecher regressions