prevent all new gems to be rubygems 2.0 only
Use the form of OSI's official site

See http://opensource.org/licenses/MIT.
Add warning message when Gemfiles use source with a block.
Merge pull request #3199 from danfinnie/stable-1-6-source-warning

Add warning message when Gemfiles use source with a block.
Document config for HTTPs source credentials
Fix a typo in the docs.
Reword credential docs for consistency and spelling
Merge pull request #3116 from grosser/grosser/metadata

prevent all new gems to be rubygems 2.0 only
Merge pull request #3168 from yous/patch-license

Use LICENSE.txt with the form of OSI's official site
Version 1.6.7 with changelog
Merge tag 'v1.6.7'

Conflicts:
	CHANGELOG.md
	lib/bundler/dsl.rb
	lib/bundler/version.rb
Performance: lazily memoize expensive `prerelease?` values during resolve
fix formatting (add missing literal '>')
have 'official' english wording ("retry for a number of times")
improve language quality a bit
be consistent referring to Rubygems et al.
try to give better explanations
cleanup
sort options alphabetically but keep single-line-precedence for --local and --deploymet, --path and --system
be strict with Bundler capitalized like a fine Product
explain what --clean does
fix typos
missed --deployment doh
explain --full-index
Merge pull request #3225 from gretel/master

manpage correction for --retry
refer to Gemfile(5) consistently
be styleguideish and use singleticks in Gemfile examples
Merge pull request #3227 from gretel/master

minor changes to manpage