Updates in HTML Report.

In online report interface there were several changes:
- Table with complementary motifs is no longer sortable anymore, rank was removed, Enrichment is now exp(average loglik_ratio) and total loglik ratio is also reported.
- Also in top motifs table Enrichment is now exp(average loglik_ratio) and total loglik ratio is reported.
- EnrichmentScore component was adapted to report loglik ratio.
- Some other bugs were fixed in EnrichmentScore component.
- MotifCorrelation now creates heatmap with fixed color range.