Improved dist configuration file
Improved dist configuration file

* Added more inline documentation
* Removed array notation for config
* Added defaults to documentation

This should help newcomers get setup. All options are now documented and
explained throughout the configuration file.

CoinHashMe/MPOS-SSO,MPOS/php-mpos,studio666/php-mpos,studio666/php-mpos,xisi/php-mpos,UNOMP/chunky-mpos,MPOS/php-mpos,CoinHashMe/MPOS-SSO,nimblecoin/web,bankonme/php-mpos,sixxkilur/php-mpos,machinecoin-project/php-mpos,evgenyponomarev/pool,MPOS/php-mpos,mmitech/php-mpos,shreeneve/test,mmitech/php-mpos,ychaim/php-mpos,shreeneve/test,machinecoin-project/php-mpos,sasselin/xcoin-mpos,ychaim/php-mpos,sasselin/xcoin-mpos,bankonme/php-mpos,CoinHashMe/MPOS-SSO,mculp/chunky-mpos,evgenyponomarev/pool,bankonme/php-mpos,mculp/chunky-mpos,mmitech/php-mpos,xisi/php-mpos,nimblecoin/web,UNOMP/chunky-mpos,BlueDragon747/php-mpos,BlueDragon747/php-mpos,mculp/chunky-mpos,machinecoin-project/php-mpos,shreeneve/test,UNOMP/chunky-mpos,xisi/php-mpos,CoinHashMe/MPOS-SSO,studio666/php-mpos,ychaim/php-mpos,sasselin/xcoin-mpos,BlueDragon747/php-mpos,sixxkilur/php-mpos,nimblecoin/web,mculp/chunky-mpos,evgenyponomarev/pool,UNOMP/chunky-mpos,CoinHashMe/MPOS-SSO,sixxkilur/php-mpos