push add-on to device after packaging
Merge pull request #2 from leibovic/build

push add-on to device after packaging
use the Services module since we already import it
Fixup Bryan Clark's patch to use the Services component.
Fixes to build.sh script (including correcting path to .xpi when installing).
Update maxVersion in install.rdf to FF 18.
Merge pull request #3 from cscott/build-fixes

Build fixes
Modified to work on OS X

OS X's cp and mv commands don't have --parents or --verbose flags
because they're based on older non-GNU versions. Same for sed, which
doesn't support extended regular expressions.
Merge pull request #4 from russellbeattie/master

build.sh dies on OS X...
merge upstream changes