Add 'Fragment-Host' to submodules for OSGi

Based on discussion on issue https://github.com/Netflix/RxJava/issues/154
Merge pull request #186 from benjchristensen/issue-154-osgi

Add 'Fragment-Host' to submodules for OSGi
Merge pull request #191 from prabirshrestha/where

Where alias to filter
Merge pull request #203 from mairbek/all-operation

All Operation Implemented
Merge pull request #206 from thegeez/list-subscribe

Observable.toList breaks with multiple subscribers
Merge pull request #207 from jmhofer/master

Implemented combineLatest semantics
Merge branch 'upstream' into issue43
Merge branch 'upstream' into issue202
Merge branch 'take-test' of git://github.com/johngmyers/RxJava into pull-212-take-merge
Merge pull request #215 from benjchristensen/pull-212-manual-merge

Manual Merge of Pull Request #212
Merge branch 'master' into replay

Conflicts:
	rxjava-core/src/main/java/rx/operators/OperationTake.java
Merge pull request #201 from benjchristensen/issue-200-merge-synchronization

Synchronize Observer on OperationMerge
Merge branch 'master' of git://github.com/Netflix/RxJava into issue202
Merge branch 'issue43' of https://github.com/abliss/RxJava into pull-issue-43-merge

Conflicts:
	rxjava-core/src/main/java/rx/Observable.java
Merge pull request #222 from joshgord/pull-issue-43-merge

Pull issue 43 merge
Merge branch 'issue202' of https://github.com/abliss/RxJava into concat-merge
Merge branch 'schedulers' of git://github.com/mairbek/RxJava into schedulers-merge

Conflicts:
	rxjava-core/src/main/java/rx/Observable.java
Merge pull request #225 from benjchristensen/schedulers-merge

Schedulers (merge of pull #199)
Merge branch 'interval' into sample
Merge pull request #230 from johngmyers/wrap-unsubscribed

An unsubscribed AtomicObservableSubscription.wrap() unsubscribes its argument