vl_pr: adds normalised AP
vl_assert_almost_equal.m: cosmetic fix
vl_pr.m: fixes corner case
Fix confusion with bias preconditioner
scalespace: refactors and improves doc
vl_demo_dsift.m: fixes bug causing figures to get mixed up in documentation
webdoc.py: fixes bug with <script> tags
doc: updates doxygen css form new base
doc: refreshes style
doc: switches to use MathJax for formulas
doc: refreshes home page and about
doc: minor fixes
doc: more layout adjustments
vl_roc.m: fixes typos
doc: improves layout on ie
vl_covdet.m: fixes typo in doc
liblinear fix
adds vl_plotbox.m function and improves vl_linespec2prop implementation
kdtree: add KDTreeSearcher to support parallel computation
kmeans:  adds ANN and OpenMP support for ANN, Lloyd, Elkan, adds tutorial