We now include a recording tool to ease test plan creation!
Here is a small demo: 
This recorder should greatly simplify creating test plans, with no need to have jmeter installed, no need to configure certificates or proxies, no need to remember using incognito mode or require any further steps while recording!
On top of that, it already includes support for defining correlation rules, thanks to the usage of Correlation Recorder Plugin.
Check the new user guide section for more details.
Note: jmx2dsl is now included as a subcommand of jmdsl.jar. It is no longer included as a separate jar.
Finally, conversions have been improved to automatically refactor test plan if all httpSamplers share a common encoding setting.
Note: this was intended to be released as 1.8, but a mistake when releasing it, and the impossibility to update maven artifacts, required to release this as 1.8.1.