[IMP] base: better evaluation context on menu

Allow more complex evaluations (e.g. using time) in domain of ir.ui.menu.
Move _get_eval_context to ir.actions.actions for basic context elements.
opw 603382
[IMP] web: better content-type for attachments

Add the corresponding content type document instead the default content type.
This allows browser to detect the type of file being downloaded.
Fixes #1225
[IMP] point_of_sale: make the floor plan background fit the floor
[IMP]Export Wizard: new design using bootstrap, convert dialog to widget, disable removing fields from export column and added sorting method

[IMP]modeify sorting using toggle function, removed unneccesary statments

[IMP]modify import compatible click event

[IMP]remove glyphicons and placed buttons,remain save as field always,made button disabled on not applicable and rename head

[FIX]save export list bug

[IMP]code improvement

[FIX]issue for toggle event

[FIX]Fixed the issue of domain, get_active_domain will not return promise object always hence put $.when

[REM]removing unneccesary console

[IMP]remove import compatible functionaliy

[REM]Remove Toggle function

[IMP]removing sorting functionality

[fix]get_selected_ids not defined
[IMP]replace select box with radio button for export formats
[IMP]remove do_setup_export_formats function
[IMP]code improvement
[FIX]many2one fields not displaying fields in dropdown