Fix #242: Refactor Timber::load_template to use filter 'template_include'.

* Timber::load_template now uses the 'template_include' filter rather than do_action('template_redirect').
* See http://codex.wordpress.org/Plugin_API/Action_Reference/template_redirect
Merge branch '242_load_template' of github.com:cambell-prince/timber into cambell-prince-242_load_template

* '242_load_template' of github.com:cambell-prince/timber:
  Fix #242: Refactor Timber::load_template to use filter 'template_include'.
added tests for routing
Merge branch 'master' of github.com:aMoniker/timber into aMoniker-master

* 'master' of github.com:aMoniker/timber:
  missed a semicolon
  add modified_date to post
  apply_filters expects the original argument
  add date wrapper for get_the_date
  loop-agnostic wrapper for get_the_modified_time
  remove extra return and consolidate statement
added notes about deprecated functions, removed ternary
removed $this to make PHP 5.3 happy
added tests for dates
Merge branch 'master' into aMoniker-master

* master:
  removed $this to make PHP 5.3 happy
added test to make sure filtering post_date works
added coveralls
added more to openbasedir
added error log statements; disable openbasedir test
updating coverage specs; wrapping WPCLI integration
fixed some stuff with side load
removed extra echo in test that I was using to uncover possible travis issue
inspect the $wp_query global directly instead of relying on have_posts(), see #247
wrote test to uncover possible infinite loop issue with Timber::get_posts #247
Merge branch 'remove-have-posts' of github.com:aMoniker/timber into aMoniker-remove-have-posts

* 'remove-have-posts' of github.com:aMoniker/timber:
  inspect the $wp_query global directly instead of relying on have_posts(), see #247
made function static
Merge branch 'aMoniker-remove-have-posts'

* aMoniker-remove-have-posts:
  made function static
  inspect the $wp_query global directly instead of relying on have_posts(), see #247