initial import for tabs in the online editor
code cleanup (to remove the code of former editors)
fix breakpoints integration
fix breakpoint
theme selector (js part)
R-2.5.1
Merge pull request #98 from ilvalle/master

Online editor with tabs
cp -R in Makefile
Merge branch 'master' of github.com:web2py/web2py
cp -R in Makefile
fixed some problem with latest editor tab, thanks Paolo
fixed as_json for output of joins, thanks Alan
fixed  Issue 1519:MongoDB fails when inserting list:reference values, thanks Alan
fixed issue with customizing class of input fields, thanks Anthony
fix full-screen and theme selector
fixed  Issue 1477:File exported by export_to_csv cannot be read by import_from_csv
fixed Issue 1501:Links None in AppAdmin
possibly fixed issue 1446:contains/cast to string problem
fixed  Issue 1520:incomplete fix for json and csv import
CAST in sql, needs more work
CAST in sql only when strincly necessary, still, can be better