D-Net

[Trunk|Connect]: Search Communities Page: Fix a bug with default results per page.

[Trunk|Connect]: Communities Search Page: delete query changed function.

[Trunk|Connect]: 1. SearchCommunities: change getSubscribe method. 2. replace scroll with new helper function. 3. SubscribeModule: add forRoot for service

[Trunk|Connect]: connect-custom.css: Comment css for class 'my-tooltip' (opacity: 0)

[Trunk|Connect]:
1. community/community.component.html: rephrase in subjects 'show more' to 'show all'
2. community-creation-instructions.component: Open and close instructions in pages according to scrolling position.

[Trunk|Connect]: 1. Remove some no used services from communitiesModule and StatisticModule. 2. Initialize communities only on app component and use getCommunitiesState to get communities.

[Trunk|Connect]:
1. app.component: If property 'environment' is 'development', subscribe to queryParams, otherwise not (avoid duplicate calls on params change).
2. communities.component.html & community-creation-instructions.component: Rephrasing and spelling fixes.

[Connect]: Creating a branch to test subjects with singleton services

[Trunk|Connect]: 1. AppComponent: comment is SubscribedToCommunity. 2. SearchCommunities: Add condition if user is logged in before get subscription and managing infomation

[Trunk|Library]

App component:
chage the way 'my communities- subscribed to' is created. Use method getCommunitiesSubscribedTo

Create community:
set 'contact us' buttons to medium, add link to the second button