config of bookmark had a small typo. Also changed the width of the extra textfields for social sharing.
Added POI libs for exporting service usage matrix to excel
Added function for exporting the serviceusage matrix to excel.
Added 'header' in excel file.
Added export link to serviceUsageMatrix page.
Merge branch 'feat/excel-export-usage-matrix' of github.com:flamingo-mc/flamingo into feat/excel-export-usage-matrix