Apply a couple of best practices to the recipe:
1) use the gettext class to ensure the right versions of gettext are
used for the recipe variants (target, native, etc).
2) use layout variables rather than absolute paths in the package FILES_
definitions.
Signed-off-by: Joshua Lock <josh@linux.intel.com>
[BUGID #281]
Evaluate and update each package in recipes-core to ensure they have a
consistent summary and description.
Signed-off-by: Mark Hatle <mark.hatle@windriver.com>