Cosmetic change
Enhance RTCPeerconnection SDP error handling. Thanks @ibc for reporting.
Added new configuration parameter 'hack_single_crypto'

In order to set a single 'crypto' line in the SDP OFFER
Remove unused variables declaration.
Remove global declaration
Merge pull request #38 from pedrokiefer/grunt-fixes

Remove unused variables and global declaration. Thanks @pedrokiefer
Merge branch 'master' of github.com:versatica/JsSIP
Fix some strings typos
Fix some strings typos
Merge branch 'typos' of github.com:pedrokiefer/JsSIP into typos
Merge pull request #39 from pedrokiefer/typos

Typos
Merge branch 'master' of github.com:versatica/JsSIP
Add some log lines into sanity check code for clarity