Merge branch 'develop'

* develop: (90 commits)
  Fixing typo.
  Added initial doc about breadcrumbs.
  Demangle Anonymous Function Names
  Improve exception frame tests
  Demangle Function Name from Async Calls
  Solution reordering
  Updating configurations
  Fixing Build Configurations
  Targetframework dependency fix
  Refactoring # directives position
  Complementing the PR #149. Some tests case to ensure public assign from SentryEvent.Tags
  Web Test configurations
  Multiple code refactoring
  Fixing reference Newtonsoft targetFramework in .net 4.5 build
  Removing unnecessary variables. Removing inconsistent build configurations
  Changing NSubstitute targetFramework dependency on .net 4.5
  Adding missing using
  Using .net 3.5 way whenever it is possible
  Solution configurations
  Removing unnecessary usings
  ...

Author: asbjornu