Change which projections are used by the analyses.

All the high dimensional only analyses now use the zscore projection.
All the remaining projections use the log intensity.

High dimensional:
- Heatmap
- Kmeans clustering
- Hierarchical clustering
- PCA
- Marker selection.

Other:
- Box plot
- Scatter plot
- Fisher test
- Line graph
- Survival analysis
Merge pull request #52 from thehyve/issues/UAT-136-use-log-intensities

Use the correct projections for each analyses