Support building with Stack

[codygman]

Hi, I had to do some tweaking to get things to work with Stack. It would be awesome if clckwrks and the example-dot-org repo just built with stack with a simple "stack init". This would probably require adding some repos to stackage.

For now though, here is a working stack.yaml:

flags:
  text:
    integer-simple: false
  HsOpenSSL:
    fast-bignum: false
  time-locale-compat:
    old-locale: false
packages:
- '.'
extra-deps:
- clckwrks-0.23.8
- clckwrks-plugin-page-0.4.0
- clckwrks-theme-bootstrap-0.4.0
- hsp-0.10.0
- web-plugins-0.2.8
- happstack-authenticate-2.1.4
- happstack-hsp-7.3.5
- happstack-jmacro-7.0.10
- happstack-server-tls-7.1.6
- hsx-jmacro-7.3.6
- hsx2hs-0.13.3.2
- ixset-1.0.6
- reform-0.2.7
- reform-happstack-0.2.5
- reform-hsp-0.2.6
- web-routes-0.27.9
- web-routes-happstack-0.23.9
- web-routes-hsp-0.24.6
- web-routes-th-0.22.3
- boomerang-1.4.5
- harp-0.4
- ixset-typed-0.3
- pwstore-purehaskell-2.1.4
- syb-with-class-0.6.1.6
- web-routes-boomerang-0.28.4
- acid-state-0.12.4
- jwt-0.6.0
resolver: lts-2.15