IG: fix typos in description
improve name and description of "Anonymous class may be a named 'static' inner class" inspection
Move "Anonymous class may be a named 'static' inner class" inspection to "Memory issues" group
Test for "Anonymous class may be a named 'static' inner class" inspection
improve description of "Inner class may be 'static'" inspection
move "Inner class may be 'static'" inspection to "Memory issues" group
make IG test light
test for "C-style array declaration" inspection
IDEA-11900 (Replace C-style array declaration with Java-style)