FreeSWITCH: Fix recursive dependency issue caused by +FS_WITH_LZMA:liblzma and sync to FS latest git HEAD

1. Removed +FS_WITH_LZMA:liblzma from call to BuildPlugin spandsp
	package that causes a recursive dependency issue.
2. Synched to FS git HEAD 3bd139514993ffa9a4723df4136afa089f57b292.

Signed-off-by: Mazilo <openwrt.mazilo@recursor.net>
kamailio3: update to version 3.3.5

Signed-off-by: Jiri Slachta <slachta@cesnet.cz>
kamailio3: simplify build procedure and enhance build variables

Signed-off-by: Jiri Slachta <slachta@cesnet.cz>
kamailio4: enhance build procedure, fix prefix for install-cfg

Signed-off-by: Jiri Slachta <slachta@cesnet.cz>
FreeSWITCH: Revert previous fix on Big Endian compilation issue and sync to FS latest git HEAD

1. This simply reverted issue reported by Berni through trac
	ticket #13728 (https://dev.openwrt.org/ticket/13728).
	The issue has been fixed upstream by FreeSWITCH
	(http://jira.freeswitch.org/browse/FS-5564)
2. Synched to FS git HEAD 451aece80391bf08bc0e8b25fce2e2cb4f88bc41.

Signed-off-by: Mazilo <openwrt.mazilo@recursor.net>
Merge branch 'master' of http://feeds.openwrt.nanl.de/openwrt/telephony