More documentation typo fixes.
Merge pull request #549 from bradh/tutefixes

More documentation typo fixes.
[GEOT-4897] MBTiles Journaling mode should be configurable
Trying to fix reprojected wms cascading
Merge pull request #550 from n-lagomarsini/GEOT-4897

I will open an issue for this
Some more improvements to wms cascading issues
[GEOT-4903] Add new community module: SOLR data store
Use a single HttpSolrServer trhoughout the code base, prepare to add common http conn params as store params
Reformat according to coding conventions