new mortgage type

Inflation indexed mortgage where indexation is paid up front.
Updating model version info.
new price index quarterly
slight changes and bug fixes
Merge branch 'master' of https://github.com/ICEACE/IceaceModel1.0

Updating changes within this version.
merging diverted versions.
Repisitory maintanance
Changes to the granting of mortgages mechanism...

...to reflect new mortgage types
Adding new iniitialization files.
fixing the bug at new mortgage setting by real estate agent.
fixing the bug at new mortgage setting by real estate agent.
hbuy data structure and buy_housing message body is updated. The update incorporates communucation of mortgage choice of household to real estate agent.
Sample runs for mortgage choice no 1.
Initial unemployment fixed

It is hardcoded in jpoffice_functions_top.c