Added merge button
Added checkbox in the table to enable Activity Selection before merging
Added code to enable the merge button only when make sense
Merge remote-tracking branch 'maiera/feature/material_design' into feature/material_design
Get Activity Groups from the API
Partial merge implementation and small fixes
Merge confirmation Dialog
Initial activity records merge to create a new activity
TODOs for merge saving completion

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Button to enable activity link edit
Merge remote-tracking branch 'maiera/feature/material_design' into feature/material_design
Merge remote-tracking branch 'maiera/feature/material_design' into feature/material_design

Conflicts:
	html/myStatistics.html
	js/GdeTrackingApp.js
Merge remote-tracking branch 'maiera/feature/material_design' into feature/material_design

Conflicts:
	js/GdeTrackingApp.js
lost <th> in myStatistics
Dialog to confirm merge before saving merged record, delete merged records from the backend
gplus_posts merge, activity_meta.type merge, additional logs
replace for search with .some
Merge pull request #122 from SmokyBob/feature/material_design

Merge Activities