removed DailyTimeRecord project. added data annotation validations

moved Classes of DailyTimeRecord to TSU-DTR/Models
Added Data Annotation Validation :
Alpha - for letter only validation
DateGreaterThan - for date checking

JS file validation:
khem.validator.js
removed DailtyTimeRecord. created Data Annotation Validations

moved DailtyTimeRecord to TSU_DTR/Models/
created Annotation for Alpha (Letter only) validation
with client validation on khem.validator.js