Merge branch 'DA-406' into unstable

* DA-406:
  share link with challenge ID
  share through apps (include a link to text)
  (android) skeleton methods
added design to description view
Merge branch 'unstable' of https://github.com/ChallengeEarth/drallo-app into unstable
Merge branch 'unstable' into DA-406

* unstable:
  added design to description view
add hash tag (currently it's empty)
<DA-414> add back transiton from profile to search result and details screens
<DA-414> add tap recognizer
remove web-authorisation to social networks
Merge branch 'DA-406' into unstable

* DA-406:
  remove web-authorisation to social networks
  add hash tag (currently it's empty)
<DA-414> Merge branch 'unstable' into DA-414
<unstable> Merge branch 'DA-414' into unstable
keep menu items after completion
Merge branch 'DA-427' into unstable

* DA-427:
  keep menu items after completion
fix the RestStore.PrintResponse(string) method and use it only in DEBUG
Merge branch 'unstable' into DA-406

* unstable:
  fix the RestStore.PrintResponse(string) method and use it only in DEBUG
  keep menu items after completion
  <DA-414> add tap recognizer
  <DA-414> add back transiton from profile to search result and details screens
<DA-406> use hash tags