github-release 0.5.2
github-release: add 0.5.2 bottle.

Closes #30449.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
android-sdk 23

Closes #30471.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
Deprecate Keg#fname
Remove dead code
Reuse existing keg object
Fix keg method visibility

Only link_dir needs to be protected
Give Keg#link_dir parameter a more descriptive name
Keg no longer inherits from Pathname