Javadoc and minor code tuning.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1558736 13f79535-47bb-0310-9956-ffa450edef68
Added crs() implementation for vertical and temporal enums.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1558895 13f79535-47bb-0310-9956-ffa450edef68
Added tests.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1558919 13f79535-47bb-0310-9956-ffa450edef68
Better names for vertical CRS.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1559074 13f79535-47bb-0310-9956-ffa450edef68
Added tests.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1559162 13f79535-47bb-0310-9956-ffa450edef68
Javadoc fixes.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1559213 13f79535-47bb-0310-9956-ffa450edef68
Added more tests.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1559289 13f79535-47bb-0310-9956-ffa450edef68
Merge from the JDK7 branch.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK6@1559291 13f79535-47bb-0310-9956-ffa450edef68