Fixes #399
Updated API call to proper http request. fixes #396.
Merge pull request #400 from lev-kuznetsov/master

Fixes #399
Removed HCL algorithms and metrics fetch. fixes #394.
Merge pull request #401 from jfarid27/bug-fixes

Bug fixes
Added random string generator.
Fixed error in random string generator
Added radial heatmap trees. fixes #395.
Minor asthetic changes.
Merge pull request #404 from jfarid27/fix-issue-395

Fix issue 395
Added Annotations maneu with 'Column Annotations' link to OpenRefine
Merge pull request #405 from apartensky/baylie-20131211-mev-annotations-menu-link

Added Annotations maneu with 'Column Annotations' link to OpenRefine
Fixed some radial tree errors.
Merge pull request #406 from jfarid27/fix-issue-395

Fixed some radial tree errors.
Setting leaf distance
Merge pull request #408 from lev-kuznetsov/master

Setting leaf distance
Made slight coefficient changes to radial tree build. fixes #407.
Merge pull request #409 from jfarid27/fix-issue-407

Made slight coefficient changes to radial tree build. fixes #407.
Adding Manhattan and Pearson Correlation as distance metrics and
Complete and Single as linkage algorithms for hierarchical clustering
analysis.
Merge pull request #411 from lev-kuznetsov/master

Adding Manhattan and Pearson Correlation as distance metrics and