Re #1715: updated book with latest Rst

git-svn-id: http://svn.pjsip.org/repos/pjproject@4763 74dad513-b988-da41-8d7b-12977e46ad98
Changed version to 2.2

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Tagged 2.2

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Removed premature tagging

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Re #1630 (misc): Fixed test account in java sample



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Tagged 2.2

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Changed version to 2.2-svn

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Fixed #1740: TLS will be used whenever request URI uses "sips" scheme regardless the target-URI scheme/transport. This behavior is configurable via 'PJSIP_DONT_SWITCH_TO_TLS' in compile-time, or 'pjsip_cfg()->disable_tls_switch' in run-time.



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Fix #1741: fixed AudioMedia in setting signal level adjustment and querying signal level.



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Re #1742 (misc): Updated latest pjsip-book and added make install target to install the book to WWWDIR

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Fixed #1699: Transport state callback to report transport shutdown events (Thanks to Johan Lantz for the discussion and preliminary patch).



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Fixed #1719: Bug in DNS SRV/RFC 3263 server selection

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