fix update module
Add node mailer module and fix update module

- add routes to reset password
- add auto generate password
- add node mailer dependencies and randpass
Modified the following:
	both asset.js and employee.js under models
for schema validation
edited the asset routes for edit functionality
edited routes updated for dynaminc fields
remove console log for generated password
Fix API for reset password mailer

- modify app.js
- modify models/mailer.js
- modify routes/employee.js
removed curl_lis_doc
some updates