adding openssl with php7

packages/php7.rb

+require 'package'
+
+class Php7 < Package
+  version '7.1.0'
+  source_url 'http://php.net/distributions/php-7.1.0.tar.xz' # software source tarball url
+  source_sha1 'c74c920256b9c6873bae696fbb0ec14a02dc8495'     # source tarball sha1 sum
+
+  depends_on 'libxml2'
+  depends_on 'openssl'
+  depends_on 'libpng'
+
+  def self.build                                             # self.build contains commands needed to build the software from source
+    system "./configure \
+      --with-curl \
+      --with-gd \
+      --enable-mbstring \
+      --with-ssl=/usr/local/bin/openssl \
+      --with-zlib \
+      --with-pcre-regex \
+      --prefix=/usr/local"
+
+      #      --with-pcre-regex \
+      #CPPFLAGS=\"-I/usr/local/include/openssl\" \ 
+      #LDFLAGS=\"-L/usr/local/lib\" "
+
+    system 'make'                                            # ordered chronologically
+  end
+
+  def self.install                                           # self.install contains commands needed to install the software on the target system
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"     # remember to include DESTDIR set to CREW_DEST_DIR - needed to keep track of changes made to system
+  end
+end