Add caching to downloading files [#84397250]
Add caching to downloading files [#84397250]

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