Hebrew translation update

Fix minor typing errors
Merge pull request #124 from GreenLunar/patch-1

Hebrew translation update
Update Hebrew translations with changes from PO file. Fixes #124
Get ready to release 0.7.3 of converse.js
Fix BOSH url
use new CryptoJS repo since the old one was removed.
Properly define the crypto dependencies. Fixes #125
Refactor message handling

- use the same method for both normal and OTR messages
- fix /me actions for OTR messages
- rename messaging methods to minimize ambiguity

Conflicts:
	converse.js
	tests/utils.js
Ensure that URLs in messages are properly escaped
Release version 0.7.4
Fix release version typo
Two more typos
Add another URL test with double quotes.
Delete icon must appear on same line as pending contact
Use fork of strophe.js which includes already built file.

Instead of having to build it manually in a Grunt/Makefile step.
Clean up the Makefile a bit as well.

Conflicts:
	Makefile