Xulpymoney

* Pies showing different investments classifications now show Not Leveraged amounts
* Fixed problem showing help with root.
* Menu option to update products from internet is working fine now.
* Pyinstaller works again to package windows executables.
* xulpymoney_init now works on Windows. It's packaged in a different file.

* Added several products to products.xlsx
* Fixed comments bugs
* Improved long/short investments
* Added short funcionality to opportunities.
* Selling point now work for long and short operations.
* Added more leveraged types
* Now you can add Rollovers in dividend dialog
* Added hardcoded translations

* Added products.xlsx auto update
* Added long/short strategy investments (ALPHA)
* Added opportunities
* UI icons updated
* Improved merge products

* Solved several bugs
* Added setup.py pyinstaller to generate one standalone exe to distribute in Windows

* Xulpymoney is now a gui_script.
* You can create shortcuts with xulpymoney --shortcuts-create
* Removed old installation system in Windows. Added Windows installation instructions in README

* Added platform dependent dependencies