Merge branch 'master' of github.com:elasticsearch/kibana
Merge branch 'master' of github.com:elasticsearch/kibana
[aggResponse/hierarchical] prevent error when there are no 'split slices'
fix custom sorter test
Merge branch 'master' of github.com:elasticsearch/kibana
restored chart titles for splits
[aggResponse/hierarchicalData] test to prove 6bcf9aa
Improved color generation function
Merge pull request #2220 from jthomassie/fix/chart-titles

Fix/chart titles
Merge branch 'master' into split_dat_pie

Conflicts:
	src/kibana/components/agg_response/hierarchical/build_hierarchical_data.js
Cache seed colors
Merge pull request #2226 from rashidkpc/fix/color-generator

Improved color generation function
Merge pull request #2218 from w33ble/fix/paginated-table-test

fix custom sorter test
Merge pull request #2221 from spenceralger/split_dat_pie

Prevent failure in Hierarchical converter
[docViewer] fix the test