Yf add interval list codec

[yfarjoun]

• moved the business part of the dec from IntervalList to the Tribble dec.
• testing the Tribble directly.

[codecov-io]

Codecov Report

Merging #1327 into master will increase coverage by 0.307%. The diff coverage is 75%.

@@               Coverage Diff               @@
##              master     #1327       +/-   ##
===============================================
+ Coverage     67.822%   68.129%   +0.307%     
- Complexity      8253      8406      +153     
===============================================
  Files            562       563        +1     
  Lines          33644     34260      +616     
  Branches        5640      5778      +138     
===============================================
+ Hits           22818     23341      +523     
- Misses          8654      8720       +66     
- Partials        2172      2199       +27

Impacted Files	Coverage Δ	Complexity Δ
.../java/htsjdk/samtools/util/BufferedLineReader.java	68.421% <ø> (ø)	6 <0> (ø)	:arrow_down:
...c/main/java/htsjdk/samtools/util/IntervalList.java	73.897% <100%> (-0.613%)	69 <0> (-6)
src/main/java/htsjdk/samtools/util/Interval.java	61.29% <33.333%> (-2.995%)	28 <1> (+1)
...main/java/htsjdk/variant/vcf/AbstractVCFCodec.java	73.846% <60%> (+0.081%)	86 <1> (ø)	:arrow_down:
...htsjdk/tribble/IntervalList/IntervalListCodec.java	79.31% <79.31%> (ø)	14 <14> (?)
src/main/java/htsjdk/samtools/cram/CRAIIndex.java	86.813% <0%> (-1.593%)	39% <0%> (+13%)
...a/htsjdk/samtools/cram/build/ContainerFactory.java	95.122% <0%> (-1.545%)	6% <0%> (+1%)
...jdk/samtools/cram/build/CramContainerIterator.java	88.889% <0%> (-1.111%)	16% <0%> (+6%)
...java/htsjdk/samtools/cram/structure/Container.java	90.411% <0%> (-0.065%)	42% <0%> (+20%)
...mtools/cram/build/CramContainerHeaderIterator.java	100% <0%> (ø)	4% <0%> (+2%)	:arrow_up:
... and 13 more

[yfarjoun]

put in a indexed test

[yfarjoun]

back to you @cmnbroad

[yfarjoun]

@cmnbroad better?