Add webRelativeUrl to combine in AddHtmlToWikiPage
Append relativeurl to overload of AddHtmlToWikiPage
Add tests for AddLayoutToWiki and AddHtmlToWikiPage
Add method to set default value of managed metadata field in list
Add uninstallsolution method
Added installsolution and uninstallsolution tests
Added resource strings for uninstall solution
Added method comments
Merge pull request #121 from erwinvanhunen/newextensions

Added UninstallSolution method, rewrote InstallSolution, added tests
Added Install-SPOSolutio and Uninstall-SPOSolution cmdlets
Added Install-SPOSolution and Uninstall-SPOSolution
Merge remote-tracking branch 'contributor/i109' into dev

Conflicts:
	OfficeDevPnP.Core/OfficeDevPnP.Core.Tests/OfficeDevPnP.Core.Tests.csproj
Renamed webextensions.cs to PageExtensionsTests as this better describes the goal of this class
Merge pull request #115 from pbjorklund/updatetaxonomyfielddefaultvalue

Add web extension method to set default value of managed metadata field in list
Merge pull request #122 from erwinvanhunen/newcmdlets

Added Install-SPOSolution and Uninstall-SPOSolution cmdlets
Updated missed fix in AddHtmlToWikiPage

One of the AddHtmlToWikiPages wasn't updated;  also corrected a couple
comment blocks