add closed? method on Stream object to inspect the object's open/close state

Signed-off-by: Anurag Priyam <anurag08priyam@gmail.com>
Add a note for tests with modular setup
fix indentation
Fix 2 broken links in all READMEs.
Adding link to wikipedia DSL article.

Signed-off-by: Dan Buch <d.buch@modcloth.com>
add notes about rackup, fixes #313
Merge pull request #590 from splattael/patch-1

Fix 2 broken links in all READMEs
Merge pull request #579 from acco/master

Add a note for tests with modular setup
Merge pull request #535 from yeban/stream_closed

add closed? method on Stream object to inspect the object's open/close state
Merge pull request #592 from modclothpair/intro-dsl-link

Adding link to wikipedia DSL article.
Fix typo "whitout" to "without".
Merge pull request #597 from ymmtmsys/fix_typo

Typo in AUTHORS
README: use long polling to exemplify streaming API.

[Long polling][1] is a simple, practical use case of `stream` helper with the
optional `keep_open` parameter.  Let's use it to exemplify streaming API, so it
is easier to understand and use.

[1]: http://en.wikipedia.org/wiki/Push_technology#Long_polling

Signed-off-by: Anurag Priyam <anurag08priyam@gmail.com>
Fix a typo in Stream class's documentation.

Signed-off-by: Anurag Priyam <anurag08priyam@gmail.com>
Merge pull request #599 from yeban/update_stream_documentation

Update stream documentation
Update Sinatra::Response#finish for Rack 1.5
Merge pull request #603 from raggi/rack-1.4

Update Sinatra::Response#finish for Rack 1.5
Allow URI objects as redirect targets
Merge pull request #605 from foca/master

Allow URI objects as redirect targets
dup