Merge branch 'release-1.6.9' into develop

* release-1.6.9:
  Bumping version to 1.6.9
  Add elastictranscoder to the latest version
  Update feedback link to the newest/correct value
Replace ':' char for windows-safe filenames

The cache key cannot have ':' chars because this is not allowed
in filenames for windows

(http://msdn.microsoft.com/en-us/library/windows/desktop/aa365247%28v=vs.85%29.aspx)

This means that the assume role functionality does not work on windows
until this issue is fixed.
Create cache file with 0600 permissions
Add issue to changelog
Merge branch 'windows-cache-names' into develop

* windows-cache-names:
  Add issue to changelog
  Create cache file with 0600 permissions
  Replace ':' char for windows-safe filenames
Use .move instead of .rename when creating bundled installer
Update changelog with the latest changes
[EMR] Add examples of adding multiple files in a streaming step in create-cluster and add-steps.
[EMR] Bug fix: Fix script runnner jar to the current region location when --enable-debugging is specified in create-cluster command.
Bumping version to 1.6.10
Merge branch 'release-1.6.10'

* release-1.6.10:
  Bumping version to 1.6.10
  [EMR] Bug fix: Fix script runnner jar to the current region location when --enable-debugging is specified in create-cluster command.
  [EMR] Add examples of adding multiple files in a streaming step in create-cluster and add-steps.
  Update changelog with the latest changes
  Use .move instead of .rename when creating bundled installer
  Add issue to changelog
  Create cache file with 0600 permissions
  Replace ':' char for windows-safe filenames