Upgraded build pack utils.
Upgraded build pack utils.

hjooyang/php-buildpack-3.2.2-,svrc-pivotal/php-buildpack,svennam92/php-buildpack,skeeso/php-buildpack,UNINETT/php-buildpack,ArthurHlt/php-buildpack,jsloyer/php-buildpack,cf-identity/php-buildpack,cloudfoundry/php-buildpack,cloudn/cf-php-build-pack,hairmare/php-buildpack,thesrinivas/php-buildpack,chregu/cf-php-varnish-buildpack,ochamber/cf-php-build-pack,nkatre/php-buildpack,hjooyang/php-buildpack-3.2.2-,imaiworks/cf-php-build-pack-cakephp,hjooyang/php-buildpack,zhangyanfa/yanfaz-php-buildpack,UNINETT/php-buildpack,lloydbadger/test,liuziyan/cf-php-build-pack,chregu/cf-php-varnish-buildpack,nsharma283/PCF-php-buildpack,hpcloud/php-buildpack,isys01/cf-php-build-pack-cakephp,hjooyang/php-buildpack-3.2.2-,nsharma283/php-new,nsharma283/PCF-php-buildpack,aronreid/cf-php-buildpack,mc500/php-buildpack,cloudfoundry/php-buildpack,imovedev/cf-php-build-pack-cakephp2,nsharma283/php-new,UNINETT/php-buildpack,nkatre/php-buildpack,hjooyang/php-buildpack-3.2.2-,LeonidLe/php-buildpack,kumauta/cf-php-build-pack,hpcloud/php-buildpack,cf-identity/php-buildpack,hairmare/php-buildpack,cloudn/cf-php-build-pack,aronreid/cf-php-buildpack,skeeso/php-buildpack,zizhongwei/php-buildpack-master,UNINETT/php-buildpack,hpcloud/php-buildpack,kei-yamazaki/cf-php-build-pack,imaiworks/cf-php-build-pack-cakephp,nsharma283/PCF-php-buildpack,cf-identity/php-buildpack,nsharma283/php-new,kei-yamazaki/cf-php-build-pack,nsharma283/php-buildpack,arjankroontolsma/post2,Orange-OpenSource/cf-php-build-pack,svennam92/php-buildpack,apawar2/php-buildpack,mc500/php-buildpack,ochamber/cf-php-build-pack,apawar2/php-buildpack,arjankroontolsma/post2,skysports-digitalmedia/php-buildpack,kumauta/cf-php-build-pack,svrc-pivotal/php-buildpack,imovedev/cf-php-build-pack-def,nkatre/php-buildpack,kumauta/cf-php-build-pack,apawar2/php-buildpack,svrc-pivotal/php-buildpack,thesrinivas/php-buildpack,tgemal00/php-buildpack,tgemal00/php-buildpack,imovedev/cf-php-build-pack-cakephp,kumauta/cf-php-build-pack,hairmare/php-buildpack,zizhongwei/php-buildpack-master,ashish17das/cf-php-build,cloudfoundry/php-buildpack,ochamber/cf-php-build-pack,arjankroontolsma/post2,apawar2/php-buildpack,jsloyer/php-buildpack,nkatre/php-buildpack,nkatre/php-buildpack,ArthurHlt/php-buildpack,hjooyang/php-buildpack,ArthurHlt/php-buildpack,kumauta/cf-php-build-pack,skysports-digitalmedia/php-buildpack,mc500/php-buildpack,hairmare/php-buildpack,thesrinivas/php-buildpack,jsloyer/php-buildpack,hpcloud/php-buildpack,liuziyan/cf-php-build-pack,Orange-OpenSource/cf-php-build-pack,svennam92/php-buildpack,svrc-pivotal/php-buildpack,imovedev/cf-php-build-pack-def,LeonidLe/php-buildpack,jan-randis/php-db2-mysql-buildpack,thesrinivas/php-buildpack,ArthurHlt/php-buildpack,hjooyang/php-buildpack,cloudfoundry/php-buildpack,jsloyer/php-buildpack,tgemal00/php-buildpack,arjankroontolsma/post2,hjooyang/php-buildpack,hjooyang/php-buildpack,isys01/cf-php-build-pack-cakephp,mc500/php-buildpack,zizhongwei/php-buildpack-master,cloudn/cf-php-build-pack,ToyamaTetsuji/test,cloudfoundry/php-buildpack,zhangyanfa/yanfaz-php-buildpack,jsloyer/php-buildpack,nsharma283/php-buildpack,jan-randis/php-db2-mysql-buildpack,tgemal00/php-buildpack,jan-randis/php-db2-mysql-buildpack,lloydbadger/test,tgemal00/php-buildpack,cloudfoundry/php-buildpack,ToyamaTetsuji/test,svennam92/php-buildpack,skysports-digitalmedia/php-buildpack,cloudn/cf-php-build-pack,thesrinivas/php-buildpack,cf-identity/php-buildpack,imovedev/cf-php-build-pack-cakephp,kei-yamazaki/cf-php-build-pack,aronreid/cf-php-buildpack,LeonidLe/php-buildpack,hairmare/php-buildpack,skeeso/php-buildpack,kei-yamazaki/cf-php-build-pack,ashish17das/cf-php-build,skeeso/php-buildpack,hjooyang/php-buildpack,jsloyer/php-buildpack,hairmare/php-buildpack,Orange-OpenSource/cf-php-build-pack,apawar2/php-buildpack,arjankroontolsma/post2,LeonidLe/php-buildpack,skeeso/php-buildpack,zhangyanfa/yanfaz-php-buildpack,chregu/cf-php-varnish-buildpack,lloydbadger/test,jan-randis/php-db2-mysql-buildpack,imovedev/cf-php-build-pack-cakephp2,chregu/cf-php-varnish-buildpack,UNINETT/php-buildpack,imovedev/cf-php-build-pack-cakephp2,mc500/php-buildpack,thesrinivas/php-buildpack,mc500/php-buildpack,imaiworks/cf-php-build-pack-cakephp,ashish17das/cf-php-build,zhangyanfa/yanfaz-php-buildpack,svennam92/php-buildpack,nkatre/php-buildpack,imovedev/cf-php-build-pack-cakephp,jan-randis/php-db2-mysql-buildpack,skysports-digitalmedia/php-buildpack,arjankroontolsma/post2,ashish17das/cf-php-build,zizhongwei/php-buildpack-master,lloydbadger/test,lloydbadger/test,UNINETT/php-buildpack,hpcloud/php-buildpack,zizhongwei/php-buildpack-master,cloudn/cf-php-build-pack,ArthurHlt/php-buildpack,zhangyanfa/yanfaz-php-buildpack,hjooyang/php-buildpack-3.2.2-,ashish17das/cf-php-build,cf-identity/php-buildpack,nsharma283/PCF-php-buildpack,ashish17das/cf-php-build,LeonidLe/php-buildpack,ArthurHlt/php-buildpack,cloudn/cf-php-build-pack,kei-yamazaki/cf-php-build-pack,nsharma283/php-new,svrc-pivotal/php-buildpack,cf-identity/php-buildpack,tgemal00/php-buildpack,lloydbadger/test,liuziyan/cf-php-build-pack,skysports-digitalmedia/php-buildpack,aronreid/cf-php-buildpack,nsharma283/php-new,kei-yamazaki/cf-php-build-pack,ochamber/cf-php-build-pack,nsharma283/php-buildpack,aronreid/cf-php-buildpack,svennam92/php-buildpack,nsharma283/php-buildpack,nsharma283/PCF-php-buildpack,nsharma283/php-new,hpcloud/php-buildpack,hjooyang/php-buildpack-3.2.2-,cloudfoundry/php-buildpack,isys01/cf-php-build-pack-cakephp,nsharma283/php-buildpack,nsharma283/PCF-php-buildpack,jan-randis/php-db2-mysql-buildpack,ochamber/cf-php-build-pack,apawar2/php-buildpack,skeeso/php-buildpack,chregu/cf-php-varnish-buildpack,zhangyanfa/yanfaz-php-buildpack,ToyamaTetsuji/test,zizhongwei/php-buildpack-master,aronreid/cf-php-buildpack,ochamber/cf-php-build-pack,cf-identity/php-buildpack,skysports-digitalmedia/php-buildpack,hairmare/php-buildpack,nsharma283/php-buildpack,kumauta/cf-php-build-pack,svrc-pivotal/php-buildpack,chregu/cf-php-varnish-buildpack,imovedev/cf-php-build-pack-def,LeonidLe/php-buildpack