fixing datepicker stuff
Added validation for date fields on add sample page
Now requests only last 2 letters of Kit IDs
Removing validation from zip code fields because it can contain characters and some other symbols
Merge pull request #329 from adamrp/kit_ids

Now requests only last 2 letters of Kit IDs
Added popup to beginning of add participant
Added key to index, also updated join the project links
Users can now continue without entering height and weight
Added new content to FAQ page
Made threshold for adjusting height/weight higher
Add new header on select_study.psp
Merge pull request #343 from adamrp/new_management_header

Add new header on select_study.psp
Merge pull request #337 from meganap/agut_issue_274

Made threshold for adjusting height/weight higher
Merge pull request #336 from meganap/agut_issue_319

Added new content to FAQ page
Merge pull request #335 from meganap/agut_issue_333

Users can now continue without entering height and weight
Merge pull request #332 from meganap/map_key

Added key to index, also updated join the project links
Merge pull request #331 from meganap/diet_popup

Added popup to beginning of add participant
Merge pull request #330 from meganap/zipcode_validation

Removing validation from zip code fields because it can contain characters
Merge pull request #304 from meganap/agut_issue_289

fixing datepicker stuff