Add man page for sequences summary

features/sequences.feature

@@ -1,7 +1,15 @@
 Feature: Producing a summary of the scaffold sequences
   In order to have an overview of the sequences in a scaffold
   A user can use the "sequence" command
-  to generate the a tabular output of the scaffold sequences
+  to generate a tabular output of the scaffold sequences
+
+  @disable-bundler
+  Scenario: Getting the man page for the scaffold sequences summary
+    Given I create a new genomer project
+     When I run `genomer man summary sequences`
+     Then the exit status should be 0
+      And the output should contain a valid man page
+      And the output should contain "GENOMER-SUMMARY-SEQUENCES(1)"
 
   @disable-bundler
   Scenario: An empty scaffold

man/genomer-summary-sequences.ronn

@@ -0,0 +1,50 @@
+# GENOMER-SUMMARY-SEQUENCES 1
+
+## NAME
+
+genomer-summary-sequences(1) -- summarise the sequences in the scaffold
+
+## SYNOPSIS
+
+`genomer summary sequences [<--output=csv>]`
+
+## DESCRIPTION
+
+Generates a summary of the sequences used to build the scaffold. The
+output may be generated in CSV format if preferred using the <--output=csv>
+option. This summary produces a table with the following attributes:
+
+  * Contig:
+
+    The identifier of the sequence in the scaffold.
+
+  * Start:
+
+    The start position of the sequence in the final scaffold sequence.
+
+  * End:
+
+    The end position of the sequence in the final scaffold sequence.
+
+  * Size (bp):
+
+    The size of the sequence in the final scaffold sequence.
+
+  * Size (%):
+
+    The size of the sequence in the final scaffold sequence as a percentage of
+    the total sequence.
+
+  * GC:
+
+    The G+C content of the sequence as percentage the total GCAT length of the
+    sequence.
+
+## BUGS
+
+**Genomer-summary** is written in Ruby and uses several RubyGem dependencies. 
+See the .gemspec file in the install directory for version details.
+
+## COPYRIGHT
+
+**Genomer** is Copyright (C) 2011 Michael Barton <http://michaelbarton.me.uk>