line separators aware
added initial support for otp include/ directories in "small IDEs"

added tests for include resolution
extracted rebar.config parsing logic to RebarConfigUtil
added include paths parsing from rebar.config for "small IDEs"

added tests for include resolution
made UnresolvedInclude inspection enabled by default
augmented include path completion for "small IDEs"

added tests for introduced completions
paths from 'include' directories and include paths specified in rebar.config are now suggested when typing in include attributes