Initial caching. Works, but:
- spring integration seems ugly
- Cache misses if methods called with different parameters, e.g. double[] vs Double[]
Removed some out of date cache related libraries and replaced with newer version
Merge branch 'Wps_Caching'
Better VM failure handling
More calls now wps handle VM failure now.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/main/java/org/auscope/portal/server/web/service/jobtask/ImputationCallable.java
	src/main/java/org/auscope/portal/server/web/service/jobtask/KDECallable.java
EAVL-34 Added zero detection to validation
Imputation and KDE not VM failure aware
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Merge pull request #3 from fcarsten/master

Better VM failure handling
Removed env.properties
Added default env.properties
Fixed proxy selection using non imputed parameter details
Fixed pulling proxy data from non imputed datasource
Fixed threshold page not loading after KDE error
EAVL-34 made CENLR calculate for all compositional params before KDE
Fixed thresholding using incorrect parameter
Fixed missing import