HSEARCH-1222: Renamed spatialName in Latitude and Longitude to value

Therefor the annotations be used just like @Latitude("work") which is better to read
HSEARCH-1222 Improve @Spatial JavaDoc
HSEARCH-1222 Improve Spatial bridges

Remove boolean kept in memory and detect state based on field names
Factor coordinate field getter read to avoid copy/paste bugs
HSEARCH-1222 Fix JavaDoc style
HSEARCH-1242 Rename SpatialModel.SIMPLE with SpatialMode.RANGE
HSEARCH-1168 Fixing some low hanging fruits issues in the documentation
HSEARCH-1248 WorkQueuePerIndexSplitter doesn't need to use IdentityHashMap
HSEARCH-1246, HSEARCH-1247 Optimize NRT performance by skipping flush of deletions and avoiding aggressive IR reopenings
HSEARCH-1250 Update to Hibernate ORM 4.1.9.Final
HSEARCH-1218 Add hibernate-search-modules project
HSEARCH-1218 Add integration test for the JBoss AS module
HSEARCH-1168 Removed all spatial ref to grid in favor of quad tree
HSEARCH-1168 Correct java code in Spatial example
HSEARCH-1168 Code formatting improvements in docs regarding Spatial
HSEARCH-1252 Fixed documentation example for "Returning distance to the center in the results"

setSpatialSearchCenter was renamed to setSpatialParameters
HSEARCH-1252 Fixed documentation example "Sorting by distance"

DistanceSorts also needs the name of the spatial field
HSEARCH-1251 Update to Apache Lucene 3.6.2
HSEARCH-1230 Adding test for IndexReader state used by filters
Preparing for release of Hibernate Search 4.2.0.CR1: readme and changelog updates
[maven-release-plugin] prepare release 4.2.0.CR1