[FIX] Move bootstrap.css outside from the single css file generate.  Without that, OpenERP become unusable in IE due to the follows limitations:    - All style tags after the first 31 style tags are not applied.    - All style rules after the first 4,095 rules are not applied.    - On pages that uses the @import rule to continously import external style sheets that import other style sheets, style sheets that are more than three levels deep are ignored.   (http://support.microsoft.com/kb/262161/en)
[FIX] Move bootstrap.css outside from the single css file generate. 
Without that, OpenERP become unusable in IE due to the follows limitations:
   - All style tags after the first 31 style tags are not applied.
   - All style rules after the first 4,095 rules are not applied.
   - On pages that uses the @import rule to continously import external style sheets that import other style sheets, style sheets that are more than three levels deep are ignored.
  (http://support.microsoft.com/kb/262161/en)

havt/openerp-web,havt/openerp-web,havt/openerp-web,havt/openerp-web,havt/openerp-web