ide; build output parsing; improved error counting to ignore occurences of error: after the first : of the message. related to #623
ide; fixed a4fe0770139ca438a24869b13f6a38b7f8853eb8 broke compiling single file with ec/c same name. ex.: compiling instance.c would compile instance.ec's generated .c file instead.
ide/build parsing: Further improvements to prevent reporting false errors on multi-jobs builds