Description of problem:
Installation target directory is polluted by postinstall logs at present. 
[pkremens@dhcp-4-200 ~/EAP-6.2.0]$ ll
total 32
-rw-rw-r--.  1 pkremens pkremens 1217 Oct  2 11:35 InstallSummary.html
drwxrwxr-x. 12 pkremens pkremens 4096 Oct  2 11:35 jboss-eap-6.2
-rw-rw-r--.  1 pkremens pkremens  292 Oct  2 11:35 postinstall-domain.log
-rw-rw-r--.  1 pkremens pkremens   59 Oct  2 11:36 postinstall-standalone-full-ha.log
-rw-rw-r--.  1 pkremens pkremens   59 Oct  2 11:36 postinstall-standalone-full.log
-rw-rw-r--.  1 pkremens pkremens   59 Oct  2 11:36 postinstall-standalone-ha.log
-rw-rw-r--.  1 pkremens pkremens   59 Oct  2 11:36 postinstall-standalone.log
drwxrwxr-x.  2 pkremens pkremens 4096 Oct  2 11:35 Uninstaller

We should consider moving all postinstall (and maybe also InstallSummary.html) files to single directory.

Version-Release number of selected component (if applicable):
EAP 6.2.0.ER3

Steps to Reproduce:
1. Install EAP
2. Go to installation target directory

Additional info:
This is more a suggestion than a real issue, if you disagree please close this as (won't fix/ not-a-bug).