Updated logout_button id

ID for the logout button in Canvas has changed from identity_feedback to identity-help-container.
Merge pull request #1 from ianmorris101/patch-1

Updated logout_button id
Added "resize thumbnails"
Merge branch 'master' of https://github.com/kajigga/canvas-contrib
Added "resize thumbnails"
Added "get current context roles" javascript.
Updated Windows .bat example
Set file format to .dos
Created new bash/curl SIS integration script.  Also adjusted .gitignore
Create powershell-sis-import.ps1

This file is used to zip up all csv files contained in the sourceDir and send them to Canvas using the application\zip SIS import API.
Merge pull request #2 from ejlax/master

added powershell api file
Create Powershell SIS Readme
Update SIS Integration/Automation/Powershell SIS Readme
Fixed small bug with sis_import script and added to the READme.md
Merge branch 'master' of https://github.com/kajigga/canvas-contrib
Added javascript example of adding links to the footer.
Added javascript example of adding links to the footer.
Added javascript example of adding links to the footer.
Merge pull request #3 from ejlax/master

created Readme for the powershell sis file
Added several misc javascript files.
Added necessary folders for the bash_curl SIS integration script.