You are welcome New Comer whatever your need in terms of contriuting or getting help please checkout these links,they could be of help.Welcome to OpenMRS.Enjoy
https://wiki.openmrs.org/display/docs/Introduction+to+OpenMRS https://wiki.openmrs.org/display/docs/Implementer+Documentation https://wiki.openmrs.org/display/docs/User+Guide https://wiki.openmrs.org/display/docs/Developer+Guide
And for Google Code In students GCI https://wiki.openmrs.org/display/RES/Google+Code-In