Set $xcode_version to 0.0 if Xcode isn't found to avoid uninitialized value griping.
Give Xcode CLI tools a higher priority in the warning than Xcode.app.
Update NEWS and VERSION for 0.35.x series as master
Package descriptions not required for post-10.5.
Deactivate 10.5 bootstrap
Move 10.5 to unsupported.
Deal with removed 10.5-specific stuff
Add a placeholder
Exclude /opt/local from bootstrap.
Move myself to the heavy committers tier.
0.35.0-specific changes
Update authors here, too.
Alphabet
Fix how get_osx_vers() aborts if version mismatch (issue #74)

exit() takes a numerical value (normal shell exit-codes) vs die()
takes an error message to display on STDERR.
Merge branch 'master' of github.com:fink/fink
Sync with branch_0_35
Revert "Back to 10.5-supporting configuration."

This reverts commit 1a0cbea84b7a04a7c70761a00514dfbe06ea855a.