adds in collapsible metadata panel
adds in filecount for file viewer
Merge pull request #87 from sul-dlss/add-file-count

adds in filecount for file viewer
sets max number of files to 99999
Merge pull request #84 from sul-dlss/metadata-panel

adds in collapsible metadata panel
Merge pull request #93 from sul-dlss/file-list-count-max

sets max number of files to 99999
fixes display issues with toolbar and metadata panel together
Merge pull request #94 from sul-dlss/prepend-count

fixes display issues with toolbar and metadata panel together
Handle height/width in CommonViewer.