Added PHP 5.5.11 & 5.4.27.  Removed some older versions (only maintaining the three most recent binaries) and the -dev releases (these were a limited time test).
Added PHP 5.5.11 & 5.4.27.  Removed some older versions (only maintaining the three most recent binaries) and the -dev releases (these were a limited time test).

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