FS-8185: [core] Allow xml preprocessor to expand variables where the resulting value is much longer than the original size

* commit 'fbacd42c':
  FS-5660 - add freeswitch.py to the freeswitch-mod-python debian package

Merge pull request #451 in FS/freeswitch from ~DRAGOS_OANCEA/freeswitch-dragos:opus_repacketize_refactor to master

* commit '753213b7':
  FS-8080: mod_opus: fine-tune FEC with repacketization (ptimes: 80 ms,100 ms,120 ms)

Merge pull request #486 in FS/freeswitch from ~DRAGOS_OANCEA/freeswitch-dragos:opus-decode-has_fec-test to master

* commit 'de67b09e':
  FS-8179: mod_opus:  improve JB debugging with FEC

Merge pull request #485 in FS/freeswitch from ~STEFAN_YOHANSSON/freeswitch:bugfix/FS-8078-unsupported-browser-page-is-no-longer to master

* commit '5bf0d834':
  FS-8078 - [verto_communicator] fix display flex in safari

Merge pull request #484 in FS/freeswitch from ~STEFAN_YOHANSSON/freeswitch:bugfix/FS-8178-empty-default-share-device-option to master

* commit 'da0b7c61':
  FS-8178 - [verto_communicator] Define first share device selected by default in settings modal

FS-8175 #resolve [Add continue_on_answer_timeout variable to allow channel to proceed from a tripped answer timeout]

FS-8172 #resolve [Regression from earlier commit to mod_conference breaks admin controls in verto demo app]

Commit e5d247df (packaging python-esl) added trailing whitespace to the
package definition.  Our trivial parser in the bootstrap script is
sensitive to this, so the change rather broke debian/bootstrap.sh.

This fixes commit e5d247df.