Method update DeployMasterPage, DeployPageLayout

Add parameter folderPath and deployed master pages and page layouts under it.
Also, to DeployPageLayout added parameter List <webPartEntities> to have default webparts provisioned on page layout.

Reference:
https://github.com/OfficeDev/PnP/issues/66
EnsureFolder to ensure hierarchy of folders.

Added overload method EnsureFolder to ensure hierarchy of folders.
Initial checkin of the solutions created for the provisioning reference solution
Merge branch 'dev' of https://github.com/OfficeDev/PnP into dev
Prevent the duplication of existing selcted terms
Merge branch 'dev' of https://github.com/OfficeDev/PnP into dev
Adding Workflow.AssociateToList project to use the workflow api to publish and associate workflows to lists.
Still working on it.
Changed references to obsolete methods
Added update on changed cmdlet signature
Marked SetCustomMasterPageForSiteByUrl as obsolete and renamed
Changed references to obsolete methods
Initial checkin
Added support for adding publishing pages including simple test.
Fixed data initializer and made enhancements to create default Wiki page
Merge
Added option to obtain a ClientContext using username/pwd for a SAML secure SharePoint site
Merge branch 'dev' of https://github.com/OfficeDev/PnP into dev
Creating documentation for the Corporate Events app
Merge branch 'dev' of https://github.com/OfficeDev/PnP into dev
added documentation and default page info