Switch to new package format

info.yml

@@ -1,7 +1,7 @@
 name: gperf
 description: GNU perfect hash function generator
 version: "3.3"
-revision: 2
+revision: 3
 url: https://www.gnu.org/software/gperf/
 license: GPL3-or-later
 maintainers:

recipe.sh

@@ -1,4 +1,4 @@
-# This is the source.sh script. It is executed by BPM in a temporary directory when compiling a source package
+# This is the recipe.sh script. It is executed by BPM in a temporary directory when compiling a source package
 # BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
 # BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT