Added project thumbnails and banner placeholder images
Updated banner images for 2 projects.. 2 more to go.

iMecc & Admissions
Merge remote-tracking branch 'origin/master' into projects-assets

Conflicts:
	views/portfolio/project.liquid
Minor styling changes.
Added thumbnails for admissions and imecc
Merge branch 'master' into projects-assets
Uploaded the images for the projects.
Merge branch 'projects-assets'