fixes for GH samples
changes in colleague sample
added sample for the getActivityStream API
Fixing defect 318, 319 - added null check for content, and wrapped HTTP
Client with SSL.
Merge pull request #320 from VimalDhupar/Defects318_319

Fixing defect 318, 319 - added null check for content, and wrapped HTTP
Merge branch 'master' into GHSamples
Text describing tree filtering no longer disappears when environment or
library is changed.
If a category has no children, remove it from the tree.
removing sysout
Merge pull request #314 from swatisingh10/GHSamples

Gh samples
samples updated
Merge branch 'master' into GHSamples
removing usused statement
Merge pull request #323 from swatisingh10/GHSamples

Gh samples
added license notice
Merge remote-tracking branch 'root/master' into source-fixes
added full exception reporting
Endpoint was not working with the "friends" type because this.endpoint
was not valid in the context of the object.
Merge pull request #324 from DaviRyan/ChangeSmartcloudSamplesToUseSmartcloudEndpoint

Endpoint was not working with the "friends" type because this.endpoint
Merge pull request #315 from LorenzoBoccaccia/source-fixes

added sample for the getActivityStream API