Added contains filter on people search and email search to people picker. Also added functionality to provide selectedusers to populate on Initial load

[AsishP]

Q	A
Bug fix?	[ ]
New feature?	[X]
New sample?	[ ]
Related issues?	mentioned in #93, #95, #98

What's in this Pull Request?

Added contains filter to Person name and Email
Added Email search capability to People Search web part

[codecov-io]

Codecov Report

Merging #96 into dev will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev      #96   +/-   ##
=======================================
  Coverage   80.63%   80.63%           
=======================================
  Files          10       10           
  Lines         346      346           
  Branches       78       78           
=======================================
  Hits          279      279           
  Misses         44       44           
  Partials       23       23

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update b3358fc...8b5c698. Read the comment docs.

[estruyf]

Manually merged this due to some extra changes, thank you again for your contributions @AsishP