Add 'static' data source to Nanoc core.

The original author of this data source appears to be @ddfreyne. Data source code from here:

    http://pastie.textmate.org/914015

Update `create_site` command to include a stub configuration, routing rule and compilation rule for the static data source.
added missing :html to :select param in relativize_paths filter (fixes #131)
Add #include_rules to the nanoc compiler DSL
Merge pull request #139 from bobthecow/feature/include_rules

added #include_rules to the nanoc compiler DSL
Merge branch 'release-3.4.x'
FSSM was replaced listen.
delete space
add listen to Gemfile and bundle install
repair def tool
Merge pull request #142 from Takashi-U/listen

replaced FSSM with listen
added listen to list of known gems
Revert "added listen to list of known gems"

This reverts commit b131a7206110d8b8f12479139e0d7e7e458056ac.
added listen to list of known gems
added preliminary release notes for 3.5
added Takashi Uchibe to list of contributors
added attribution for #include_rules to NEWS
added #reopen to list of proxied cleaning stream methods
disabled GC tuning on travis
added system information to crash log
merged release-3.4.x branch