Update dictionary.php

Add Windows Servers versions 2012 & 2012 R2
SNMP sync for Brocade TurboIron 24X
Changes to table_processors array for TurboIron based on other switches running IronWare os
refine README and recent release notes

Reword assorted sentences and reformat release notes to meet the common
line length.
remove 0.16.x and 0.17.x handling code
Merge pull request #42 from MWilkinson/SNMP_1055_v2

SNMP sync for Brocade TurboIron 24X (GH #1055)
renderLocationSelectTree: fix strict standards violation (#1065)
getStickerSearchResults: change query execution order (#1031)
commitUpdateAttrValue: add missing space to SQL (also #1031)
findSparePorts: include ports of zero-U objects (#917)