Import 1.5.x reStructuredText documentation into master.

Use reStructuredText documentation of the 1.5.x branch instead of the previous
reStructuredText documentation convert with pandoc.
Merge pull request #1676 from blemale/feature/convert-documentation

Import 1.5.x reStructuredText documentation into master.
Fixed bug when generating reports with nested groups
Make release process safer : don't rely on publishArtifacts idx in the sequence of release steps
Update SBT plugins
Minor clean up
Fix Maven plugin's in-process mode
Make bundle anemic, close #1472
Merge pull request #1680 from excilys/anemic-bundle

Make bundle anemic, close #1472
Server channel is being used instead of client one over ssl, close #1682
comment
Protect against null capture group value, close #1679
Merge pull request #1677 from jamespic/nested-bug

Fixed bug when generating reports with nested groups
Add httpRequest and httpRequestWithParams that take a simple Expression[String] url
Rename
Protect against NPE in stringGroupExtractor too, see #1679
Have stringGroupExtractor deal with pipes, close #1683
Revert back to 1.0.2, close #1681
Fix recorder.conf serialization with config 1.2.0, close #1681
Expose quoteChar in separatedValues, close #1684