Really add READEME.md for bloom package.

bloom/README.md

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+bloom
+=====
+
+Package bloom provides an API for dealing with bitcoin-specific bloom filters.
+
+A comprehensive suite of tests is provided to ensure proper functionality.  See
+`test_coverage.txt` for the gocov coverage report.  Alternatively, if you are
+running a POSIX OS, you can run the `cov_report.sh` script for a real-time
+report.  Package coinset is licensed under the liberal ISC license.
+
+## Documentation
+
+[![GoDoc](https://godoc.org/github.com/conformal/btcutil/bloom?status.png)]
+(http://godoc.org/github.com/conformal/btcutil/bloom)
+
+Full `go doc` style documentation for the project can be viewed online without
+installing this package by using the GoDoc site here:
+http://godoc.org/github.com/conformal/btcutil/bloom
+
+You can also view the documentation locally once the package is installed with
+the `godoc` tool by running `godoc -http=":6060"` and pointing your browser to
+http://localhost:6060/pkg/github.com/conformal/btcutil/bloom
+
+## Installation
+
+```bash
+$ go get github.com/conformal/btcutil/bloom
+```
+
+## Examples
+
+* [NewFilter Example]
+  (http://godoc.org/github.com/conformal/btcutil/bloom#example-NewFilter)  
+  Demonstrates how to create a new bloom filter, add a transaction hash to it,
+  and check if the filter matches the transaction.
+
+## License
+
+Package bloom is licensed under the [copyfree](http://copyfree.org) ISC
+License.