D-Net

[Trunk | Connect]:
1. communities.component.ts & contentPage.component.ts & shareInZenodo.component.ts & helper-test.component.ts & organizationsPage.component.ts &
learn-how.component.ts & learn-in-depth.component.ts & my-communities.component.ts:
"properties" as first parameter in methods of helper.service.ts.
2. contact.component.ts & curators.component.ts & invite.component.ts:
a. "properties" as first parameter in methods of helper.service.ts
b. create request path in service (email.service.ts, curator.service.ts).
3. htmlPage.component.ts & htmlPage.service.ts: "properties" as first parameter in methods of htmlPage.service.ts.
4. customization.component.ts: create request path in service (layout.service.ts).
5. subscribe.component.ts: create request path in service (subscribe.service.ts).