Update history.txt

added the coalesce() SQL function to the 1.3.0 release change list
Merge pull request #1268 from giastfader/patch-1

Update history.txt
Fixed test failure
Fixed issue #1267
Merge branch 'master' of https://github.com/nuvolabase/orientdb
Update core/src/main/java/com/orientechnologies/orient/core/serialization/serializer/record/string/ORecordSerializerSchemaAware2CSV.java

To solve issue : https://github.com/nuvolabase/orientdb/issues/1259, add protection for NPE
Update server/src/main/java/com/orientechnologies/orient/server/task/OCreateRecordDistributedTask.java

NPE protection. In distribute mode, when create record, server which sync record from other server, writeExternal/readExternal will be trigger to serialize the data from inputstream, at this time <ORecordVersion>version is null, throws NPE. After change, sync works fine on both servers. Not sure this is the best solution, please check 
Fixed issue #1269
Update server/src/main/java/com/orientechnologies/orient/server/task/OUpdateRecordDistributedTask.java

Same change to OCreateRecordDistributedTask.java
Merge pull request #1270 from henryzhao81/master

Distributed not working.
OPLA: fixes bug on logging
improved create link performance when the destination field is a @rid
Merge pull request #1273 from fabriziofortino/master

Create Link Command improvement when the destination field is a @RID
1. LINK test was fixed.
2. Replica merge was extended to support different kind of records.
Update readme.txt

Added the *mvn clean test* command to run tests against the graphed edition.
Added the *ant clean installg* command to build the graphed edition
Added the link to download Apache Maven
Merge pull request #1274 from giastfader/patch-2

Update readme.txt
Fixed issue #1266 about losing precision in conversion from Float to Double
Merge branch 'master' of https://github.com/nuvolabase/orientdb
Fixed issue in case while iterating records a low-level record is raised: the iterator continues but returns null
JMX address in tests was changed to 127.0.0.1