Merge pull request #384 from rightscale/cornsilk_14_8_acu162901_rightlink_rc3_fixes

acu162901 - Reduce fiber pool size to 8 and pick up right_agent 2.1.2 wi...
Merge pull request #381 from rightscale/ivory_14_08_acu159972_create_empty_sources_list

Make apt conf generator to create empty /etc/apt/sources.list
Merge branch 'cornsilk_14_8_acu162901_rightlink_rc3_fixes'
Merge branch 'ivory_14_08_acu162818_fix_concurrent_instance_state_access'

* ivory_14_08_acu162818_fix_concurrent_instance_state_access:
  acu162818 - get Instance state from Agent and not state file
  acu162818 - do not use 'w' option on instance state file saving.
Merge pull request #389 from rightscale/ivory_14_08_acu163581_fix_rubygems_sources

Ivory 14 08 acu163581 fix rubygems sources
Merge pull request #387 from rightscale/ivory_14_08_acu163202_suppress_error_description_for_right_script_and_powershell_blocks

Ivory 14 08 acu163202 suppress error description for right script and powershell blocks
Merge pull request #395 from rightscale/ivory_14_08_acu162167_prepare_rc3

Ivory 14 08 acu162167 prepare rc3
Merge pull request #400 from rightscale/ivory_14_08_acu161748_rs_tag_error_status

Ivory 14 08 acu161748 rs tag error status
Merge pull request #401 from rightscale/ivory_14_08_acu164069_dhcp_issues

Ivory 14 08 acu164069 dhcp issues
Merge pull request #402 from rightscale/ivory_14_08_acu164103_update_baseurls_install

Ivory 14 08 acu164103 update baseurls install
Merge pull request #404 from rightscale/cornsilk_14_8_acu162901_rightlink_rc3_fixes

acu162901 - Use RetryableRequest for audit update_entry requests
Merge pull request #397 from rightscale/ivory_14_07_acu157665_set_utf8

Ivory 14 07 acu157665 set utf8
acu164444 - bump right_link version and update docs for release candidate 4
Merge branch 'v6.0'

* v6.0:
  acu164069 Need slightly more specific different variable name
acu164444 Reformatted release notes a bit.

Carry forward all known limitations and remove fixed known limited.
acu164602 Rename metadata

RS_IP0_NAMESERVERS to RS_NAMESERVERS<N> and RS_NAT_ADDRESS/RS_RANGES
RS_ROUTE<N>
acu164602 Cleanup variables as well a bit
multiple_not_supported

Added information that now we do not support multiple subnets: Only 1 network interface supported at this time.
acu164602 Rename metadata key back to rs_ipN_nameservers
acu164602 Try to only raise errors during network config when needed