Bugfix for HTTP 1.0 streaming

Wrong branch of mochicow_request:respond called, resulting in bad match exception, as everything related to streaming contains in Body, which supposed to be an io_list in that branch.
It does work with 1.0, as TransferEncoding is still 'identity'.
erlydtl can use js templates
updated doc to show 'js' controller return value
docs show all filetypes supported as DTL templates
Merge pull request #319 from igorclark/master

erlydtl can use js templates
Fix typo
Merge branch 'master' of github.com:evanmiller/ChicagoBoss
Fix rebar eunit stuff
Support for Secure & HttpOnly session cookie flags;
Semantic versioning support;

For those who use `rebar_vsn_plugin` for semantic versioning,
this is a patch for ChicagoBoss that integrates with our
fork of the `rebar_vsn_plugin`:
  https://github.com/ztmr/rebar_vsn_plugin
(The pull request back to the erlware is pending at the moment.)

WARNING: do not put `rebar_vsn_plugin` into your `rebar_plugins`
in `rebar.config` in the case of any CB applications -- it may
override the standard CB's plugin and you will end up with
broken `.app` file what breaks the app at all (at least missing
list of controllers and so on).

In all the non-CB apps, you can happily use `rebar_vsn_plugin`
as usual.
boss_session: mnesia initialization improved;

When the `session_adapter` is set to `mnesia`, the Mnesia
schema was not created automatically. This is to fix it
by adding the `ensure_schema` function.

Note that it has not been tested in distributed environment
yet so we expect the `ensure_schema` may become a bit more
complex in the future.

Additionaly, the timeout for `wait_for_tables` was
increased from 20ms to 1000ms because 20 was not enough
at least in our testing environment.
Merge pull request #330 from ztmr/semver

Semantic versioning support
Internal refactoring

Pass around a request context proplist [{request, Req}, {session_id,
SessionID}] instead of the two values separately
More refactoring to use request context proplist
New code for chainable filters
Rearrange argument order
Merge pull request #326 from ztmr/master

Support for Secure & HttpOnly session cookie flags
Move explicit language selection to filter module
Standardize way of accessing filter configuration
Merge branch 'master' of github.com:evanmiller/ChicagoBoss