Fix #7: Disable the insecure package

Removed the insecure package
Added collection.allow rules in a model
Also removed unwanted Accounts.ui.config on client
Fix #8: Restrict the characters in title to 45

Add max title chars setting property
Add relevant placeholders and field help
Character count helper for field
Check characters on submit on client and server
Style character count helper and help messages
Fix #9: Restrict the characters in Summary to 200

Add max title chars setting property
Add relevant placeholders and field help
Character count helper for field
Check characters on submit on client and server
Style character count helper and help messages