[DEV] OmegaBill

[oddyutza]

hello, with all do my respect,
1. date picker will be implemented in the next release (very good point!).
2. notes will be moved down, also in the next release.
3. for new invoice, client part, u need to have clients in database, and type at lease 3 chars for selection!

regarding the following
- for the moment, when u add a invoice, u add just one item, then u can edit the invoice ad add how many items u want. (i'll think for a solution in the near feature) - this is put on improvements features for the moment, let's make it work perfectly first!
- regarding new items, u have the feature, hardcoded are just the main categories.
for an example : on new item page select hosting, and the ssl certificate


also i've found a bug, the logo for new invoice was not displayed, now it is fixed

any other fixes?

PS: users almost done, also user control panel is finished!