show error message on 505
added awesome bar version 0.1 fixes frappe/erpnext#1049 and ablity to create new from link option, fixes frappe/erpnext#1375
moved calculator to awesome bar
updated calculator:
show avatar instead of name in toolbar
Merge pull request #563 from nabinhait/v4-hotfix

Some fixes
Merge pull request #564 from rmehta/develop

Awesome Bar
bugfix: hide dialog on in confirm
default=retro in gravatar
minor fixes frappe/erpnext#1714