updated docs

docs/docs/release_notes.xml

@@ -17,6 +17,8 @@ New Features:
      objects.
    - Added a user settable loss to the structural_assignment_trainer and
      structural_track_association_trainer objects.  
+   - Added evaluate_detectors(), a function for efficiently running multiple fHOG
+     based object detectors.
    - Added the new split_on_first() and split_on_last() string manipulation functions.
    - Added locally_change_current_dir, a RAII tool for switching between directories.
    - You can now make a 1x1 matrix containing a single value by calling mat() on a single

docs/docs/term_index.xml

@@ -1300,6 +1300,7 @@
          <term file="dlib/image_processing/scan_fhog_pyramid_abstract.h.html" name="default_fhog_feature_extractor" include="dlib/image_processing.h"/>
          <term file="dlib/image_processing/scan_fhog_pyramid_abstract.h.html" name="num_separable_filters" include="dlib/image_processing.h"/>
          <term file="dlib/image_processing/scan_fhog_pyramid_abstract.h.html" name="threshold_filter_singular_values" include="dlib/image_processing.h"/>
+         <term file="dlib/image_processing/scan_fhog_pyramid_abstract.h.html" name="evaluate_detectors" include="dlib/image_processing.h"/>
          <term file="imaging.html" name="scan_fhog_pyramid"                      include="dlib/image_processing.h"/>
 
          <term file="imaging.html" name="scan_image"                             include="dlib/image_processing.h"/>