Update tr.csv

Typo & translation fix
Merge pull request #2430 from nabinhait/fix1

Multiple minor fixes
Add configurable naming series to Expense claim
Update leave_application.py

See issue #2422 for more detail.
Merge pull request #2413 from Delte/patch-1

Update tr.csv
Merge pull request #2429 from ankitjavalkarwork/expclaimname

Add configurable naming series to Expense claim
[translations] updated via frappe.io/translator
Merge pull request #2428 from rmehta/translations-update

[translations] updated via frappe.io/translator
Merge pull request #2431 from mayur-patel/patch-2

Update leave_application.py : Modified get_holidays function
bumped to version 4.12.0
Merge branch 'develop'
Fixes in authorization rule based on average discount