Wiki pages for Solr releases

[Jan Høydahl]

Hi,

I have added the missing WIKI pages for

https://wiki.apache.org/solr/Solr4.1
https://wiki.apache.org/solr/Solr4.2
https://wiki.apache.org/solr/Solr4.3

--
Jan Høydahl, search solution architect
Cominvent AS - www.cominvent.com