Changes to Is RM filer

Now there is no option of IS RM === NO since many tool types don't use
is_rm field
Added a new Commission Report (WIP)
WIP Some changes to Commission Report
WIP Commission Report
PR to be Billed
Only considers Submitted PI
Also changed field names after erpnext update
Valuation Rate from ledger Fixed
The report was not fetching the valuation rate from ledger correctly.
Change in Follow up report regarding filters of User Profile field name
Added Patch file testing
Minor fix in items.py
Minor Fixes
-Fixes primarily for pricing fields which were changed by erpnext team
Minor Changes
-Added item price id to the price list report
-Minor changes in item.py
Minor Changes
Item code fix to consider unicode as floats
Removed the errors while importing items
-Item Code to be imported was not getting reflected has been resolved
Minor Fix
-Changes to item for error due to unicode.
-Add init files for patches
-Patches files are in testing hence deletion and addition.
Merge pull request #2 from adityaduggal/develop

Develop
Added Validations for SI and SO
-Patch to update the sales order and SI letter head and c-form fields.
-Validations to not allow diff Letter head and C-Form fields than Taxes.
Merge pull request #3 from adityaduggal/develop

Added Validations for SI and SO
Added new report Cform analysis
-Also added the price list report in the sellings module
Minor Fix
-Link of C-Form report fixed
Merge pull request #4 from adityaduggal/develop

Develop