updated readme

readme.md

@@ -4,13 +4,22 @@ Cluster raw Illumina 16S rRNA amplicon data to generate OTUs. Use at your own ri
 
 ## How do I get Lederhosen?
 
-0. Obtain & Install uclust (64-bit)
-1. `sudo gem install lederhosen`
+0. Obtain & Install [UCLUST](http://www.drive5.com/) (64-bit)
+1. Obtain & Install [BLAT](http://genome.ucsc.edu/FAQ/FAQblat.html#blat3)
+2. Get a copy of [TaxCollector](http://github.com/audy/taxcollector)
+3. Install Lederhosen by typing:
+
+    `sudo gem install lederhosen`
+4. Check installation by typing `lederhosen`. You should see some help text.
 
 ## How do I use Lederhosen?
 
 Type `lederhosen help` for complete instructions
 
+### 0. Pipeline
+
+(TODO)
+
 ### 1. Trim raw reads
 
 `$ lederhosen trim --reads-dir=reads-dir/*.txt --out-dir=trimmed`