some files on hosted rubygems repostitories can be deleted others can not.
in case they can not be deleted throw IllegalRequestException
fix sp
tidy
Use default timeout
fix param name
fix format
drop pointless comments
drop pointless comments
tidy
drop pointless comments
drop pointless comments
Drop invalid javadoc
fix javadocs
drop pointless comments
simplify
tidy
tidy
tidy
Merge pull request #760 from mkristian/BUG-FORBIDDEN

some files on hosted rubygems repostitories can not be deleted
Throw unsupported operation exception, add javadocs to explain