Bump version to 1.9.5

Switch to fixed getcomposer.org links

Add composer fallback

src/scripts/ext/xdebug.sh

@@ -1,3 +0,0 @@
-cd ~ && git clone --depth=1 https://github.com/xdebug/xdebug.git
-cd xdebug || echo "Failed to clone Xdebug"
-sudo ./rebuild.sh

src/scripts/ext/xdebug_darwin.sh

@@ -1,6 +0,0 @@
-cd ~ && git clone --depth=1 https://github.com/xdebug/xdebug.git
-cd xdebug || echo "Failed to clone Xdebug"
-sudo phpize
-sudo ./configure
-sudo make
-sudo cp modules/xdebug.so "$(php -i | grep "extension_dir => /opt" | sed -e "s|.*=> s*||")"