add memcached configuration option, small corrections for the build process and add installDrupal.sh file to the release
<IfModule mpm_peruser_module>
MinSpareProcessors <%= @minspareprocessors %>
MinProcessors <%= @minprocessors %>
MaxProcessors <%= @maxprocessors %>
MaxClients <%= @maxclients %>
MaxRequestsPerChild <%= @maxrequestsperchild %>
IdleTimeout <%= @idletimeout %>
ExpireTimeout <%= @expiretimeout %>
KeepAlive <%= @keepalive %>
Include "<%= @mod_dir %>/peruser/multiplexers/*.conf"
Include "<%= @mod_dir %>/peruser/processors/*.conf"
</IfModule>