CONTRIBUTING.md: fix path to run_astyle.bat
solution files: remove RARFileSource from Lite builds.

We don't link it so there is no need to build RARFileSource.
Also fix the platform for Lite builds even if it's unused.
Build.bat: Add loop for signing. In case of failure we will know exactly which file is the problem.

Based on XhmikosR's ideas.
Updated Slovak translation.

Closes pull request #73.
build.bat: Fix resources files signing after e515bd9998817c0286d676b731f29e1ccc69a11e
run astyle 2.03
run_astyle.bat: Add a check for the AStyle version.

The minimum version is 2.03 due to different output compared to 2.02.1.
Go to dialog: Fix frame rate detection for DVDs.

This commit fixes #3045.
Give a higher priority to the subtype to identify the audio codec name.
DVB: Simplify the statistics interfaces handling.

Simplify ada3ea6714e7c5f11e73df27aa7123c5a491e362 and cec98b16291eee027e726a9ff4a481f13ef59221.
DirectShow graph manager: Use the real filter name for source filters.

Previously the filename was used instead.
Fix "On top while playing video" after 6cbe725c8b755854d37a6f46cb603e9f48116655.

The "on top" flag was lost when exiting the full screen mode.
Update checker: Properly close the CInternetFile object.

This commit fixes a warning about "destroying an open CInternetFile" in debug mode.
Updated Czech translation
Forgotten file in 44b1b7bef40f9e18a44f9a298c1f7107c42c2386.
Updated German translation.
Updated Romanian translation.

Refs: #2050.
Losslessly compress png images with https://github.com/subzey/zopfli-png and then with PNGGauntlet.
Compilation.txt: update GCC pack link
astyle: specify --close-templates