Adds proper truthy check
Merge pull request #42 from thehyve/issues/UAT-78-now-with-proper-truthy-test

Now with proper truthy test
-Making sure UserParams reflects exactly the original request params
-created a new class AnalysisConstraints that contains all the validated/lookedup/curated constraints related fields that comes from the request
-AnalysisConstraints is a job-scoped bean (as UserParams is) and is accessed by HighDimensional-related jobs and steps
rmoving forgotten debugging message
Merge pull request #44 from thehyve/designdebt/RequestParamsKeptUnmodified

Designdebt/request params kept unmodified
Plot now determines point shapes on correct groups
Added exception handling for empty datasets
Merge pull request #46 from thehyve/issues/138-kmeans-empty-data-exception-handling

Added exception handling for empty datasets
UAT-147 K-means clustering: changing the number of clusters will not change the output heatmap
-number of clusters is now passed properly to R
Merge pull request #45 from thehyve/issues/145-scatterplot-plotshapes-fix

Plot now determines point shapes on correct groups
Merge pull request #47 from thehyve/bugs/UAT-147_kmeans_cluster_nochange2

UAT-147 K-means clustering: changing the number of clusters will not cha...
Replace spaces in file name with underscores.

This fixes the issue in which a particular instance of Tomcat 6 is
unable to find (yields 404) files with spaces in their name.

Ticket: https://jira.thehyve.nl/browse/UAT-140
:fish:
Merge pull request #48 from thehyve/issues/UAT-140-remove-spaces-in-filename

Remove spaces in filename
Now also updates the link to the renamed file.
Temporary fix for user-friendly error feedback

Currently, transmart-ui buries any end-user relevant error messages
underneath a layer of technical information. This feature forwards
several of these errors through the plot output. This feature was
already present, and has now been extendend. Should be replaced by
better error handling as discussed in ticket HYVE-12.
:fish:

Whitespace and other code formatting cleanup
Merge branch 'master' into issues/138-kmeans-empty-data-exception-handling
To replace childElementCount with children.length since childElementCount is not supported in Internet Explorer 8.
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