Ui: use cozy styles for inputs
Ui: use cozy styles for inputs

Cozy styles, as defined in _cozy.styl stylesheet for inputs is used, but
not directly due to some bootstrap overriding (so we need to redeclare
them manually in popover styles).

poupotte/cozy-calendar,cozy-labs/calendar,aenario/cozy-agenda,nono/cozy-calendar,kelukelu/cozy-calendar,nono/cozy-calendar,clochix/cozy-calendar,frankrousseau/cozy-calendar,Noctisae/cozy-series,cozy/cozy-calendar,kelukelu/cozy-calendar,cozy/cozy-calendar,jsilvestre/cozy-calendar,lemelon/cozy-calendar,Noctisae/cozy-series,jsilvestre/cozy-calendar,lemelon/cozy-calendar,aenario/cozy-agenda,cozy-labs/calendar,frankrousseau/cozy-calendar,poupotte/cozy-calendar