Merge pull request #88 from anilsaldhana/master

SCIM Module
Merge pull request #89 from anilsaldhana/master

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Merge pull request #90 from anilsaldhana/master

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Merge pull request #91 from anilsaldhana/master

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Merge pull request #92 from anilsaldhana/master

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added more detail to credential management section of docs