fix creat tender logic and refactor some code
made registration page skeleton
implemented registration controller
linked sign up button to registration page
made registration.js, initialized select2 and datapicker
added user's log in data panel
added company data panel
added user's data panel
added trade sphere panel
added agreement and confirm panel
styled items
fixed date bug
Conflicts
Refactor some code
Corrected by comments
Add change status logic
Populate tenderView page, added logic for updating tender info
Merge pull request #111 from if045/YM-tech

fix creat tender logic and refactor some code
Merge pull request #113 from if045/IFJJV-144-KM-AddNewProposal

Corrected by comments
Merge pull request #114 from if045/IFJJV-146-PopulateTenderInfo

Populate tenderView page, added logic for updating tender info