Update README

Author: calmh

README.md

@@ -8,7 +8,10 @@ github.com/calmh/ipfix package.
 Installation
 ------------
 
-Make sure you have Go 1.1 installed. See http://golang.org/doc/install.
+Grab a binary release from https://github.com/calmh/ipfixcat/releases.
+
+You can also build from source. Make sure you have Go 1.1 installed. See
+http://golang.org/doc/install.
 
     $ go install github.com/calmh/ipfixcat
 
@@ -24,34 +27,28 @@ display as `F[vendor,field]` with a byte array as value. A custom
 dictionary can be loaded to support vendor fields; see
 `procera-fields.ini` included.
 
-Until a template set has been received all datasets will display without
-elements (because they can't be interpreted). If the session is over
-TCP, template sets should be sent before any data sets. For UDP data,
-template sets will be sent periodically.
-
 Examples
 --------
 
-Parse a UDP IPFIX stream. Note the empty data sets prior to having
-received templates.
+Parse a UDP IPFIX stream. Note that it might take a while to start
+displaying datasets, because we need to receive the periodically sent
+template sets first in order to be able to parse them.
 
     $ socat udp-recv:4739 stdout | ipfixcat
-    {"elements":null,"exportTime":1374494095,"templateId":49836}
-    {"elements":null,"exportTime":1374494100,"templateId":49836}
     {"elements":{"F[15397.12]":[0,0,0,0],"F[15397.18]":[],"F[15397.1]":[66,105,116,84,111,114,114,101,110,116,32,75,82,...
     {"elements":{"F[15397.12]":[0,0,0,0],"F[15397.18]":[],"F[15397.1]":[68,114,111,112,98,111,120,32,76,65,78,32,115,12...
     ...
 
 Use a custom dictionary to interpret vendor fields.
 
-    $ socat udp-recv:4739 stdout | ipfixcat -dict $GOPATH/src/github.com/calmh/ipfixcat/procera-fields.ini 
+    $ socat udp-recv:4739 stdout | ipfixcat -dict procera-fields.ini 
     {"elements":{"destinationIPv4Address":"172.16.32.15","proceraExternalRtt":47,"proceraIncomingOctets":146,"proeraOut...
     {"elements":{"destinationIPv4Address":"172.16.32.15","proceraExternalRtt":3,"proceraIncomingOctets":140,"proceraOut...
     {"elements":{"destinationIPv4Address":"172.16.32.15","proceraExternalRtt":4,"proceraIncomingOctets":642,"proceraOut...
     ...
 
-Don't attempt to use netcat (`nc`). Almost all distributed versions are
-broken and truncate UDP packets at 1024 bytes.
+Don't attempt to use netcat (`nc`) for reading UDP streams. Almost all
+distributed versions are broken and truncate UDP packets at 1024 bytes.
 
 License
 -------