add tests for bowtie
run more individual tests with rake
added express to dependencies yaml file
line endings and lengths
Merge pull request #39 from cboursnell/master

Tests for bowtie and read_metrics
write output sam file without the header
Merge pull request #40 from cboursnell/master

write output sam file without the header
move test data to data dir
Merge branch 'master' into samtools

Conflicts:
	lib/transrate/bowtie2.rb
	lib/transrate/read_metrics.rb
	test/data/left.fastq
	test/data/right.fastq
more test files to gitignore
remove merge artefacts from test fastq
complete disgusting merge
block more test files