update to xdcr stream management section
2.5 cbstats: edit table
2.5: add mb-9147 to RN and updated example in warmup section
fixed inconsistent quotes in examples
Java SDK 1.4.5
Merge pull request #164 from daschl/1.4.5

Java SDK 1.4.5
Corrected 1.3 and 1.4 download links with website update.
Merge pull request #165 from ingenthr/stage

Corrected 1.3 and 1.4 download links with website update.
getting files uptodate
.gitignore: allow PDF of admin guide
add couchbase pdf