Merge pull request #171 from khawkins/unstable20_merge

Merging unstable into unstable20
Merge remote-tracking branch 'upstream/unstable' into unstable20_merge
Merge pull request #173 from khawkins/unstable20_merge

Merging unstable into unstable20
Merge remote-tracking branch 'upstream/unstable' into unstable20
Merging unstable into unstable20
Merge pull request #176 from khawkins/unstable20_merge

Merging unstable into unstable20
Merge remote-tracking branch 'upstream/unstable' into unstable20
Merge pull request #180 from khawkins/unstable20

1.4 README updates
Merging unstable to unstable20
Merge pull request #183 from khawkins/unstable20

Merging unstable into unstable20
Merge remote-tracking branch 'upstream/unstable' into unstable20
Merge pull request #187 from khawkins/unstable20

Merging unstable into unstable20
Merge remote-tracking branch 'origin/unstable' into unstable20
Merge pull request #191 from khawkins/unstable20

Merging unstable into unstable20
Merge remote-tracking branch 'upstream/unstable' into unstable20
Merge pull request #193 from khawkins/unstable20

Merging unstable into unstable20
Moving strings from SFPasscodeViewController to resource bundle
Moved SalesforceSDK resources to shared
Salesforce SDK resources bundle called SalesforceSDKResources.bundle - also copied into native and hybrid templates from ant script
Adding SalesforceSDKResources.bundle to templates