Transport shifted from bills to catalog
merge
vehicle
checking indentation
Merge pull request #135 from saloni10/dirty

URL corrected for search in index.html
Merge remote-tracking branch 'upstream/dirty' into dirty

Conflicts:
	src/librehatti/catalog/models.py
Merge pull request #127 from GunpreetAhuja/dirty

Transport and vehicle
adds dependent fields in PurchasedItem
Merge pull request #137 from kamalpreetgrewal/dirty

adds dependent fields in PurchasedItem
Merge remote-tracking branch 'upstream/dirty' into dirty